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Derivative Instruments (Details) (USD $)
In Millions, unless otherwise specified
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May 31, 2013
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Feb. 28, 2013
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Foreign currency contracts [Member] | Prepaid expenses and other [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Asset, Fair Value, Gross Asset |
$ 4.0
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$ 6.4
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Foreign currency contracts [Member] | Prepaid expenses and other [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Asset, Fair Value, Gross Asset |
1.4
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0.9
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Foreign currency contracts [Member] | Other accrued expenses and liabilities [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
0.4
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0.1
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Foreign currency contracts [Member] | Other accrued expenses and liabilities [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
2.2
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5.1
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Foreign currency contracts [Member] | Other assets, net [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Asset, Fair Value, Gross Asset |
1.4
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2.4
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Foreign currency contracts [Member] | Other liabilities [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
0.6
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0.1
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Interest rate swap contracts [Member] | Prepaid expenses and other [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Asset, Fair Value, Gross Asset |
4.0
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3.3
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Interest rate swap contracts [Member] | Other accrued expenses and liabilities [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
3.4
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3.2
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Interest rate swap contracts [Member] | Other accrued expenses and liabilities [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
16.3
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13.2
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Interest rate swap contracts [Member] | Other assets, net [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Asset, Fair Value, Gross Asset |
0.5
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3.3
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Interest rate swap contracts [Member] | Other liabilities [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
0.4
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3.1
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Interest rate swap contracts [Member] | Other liabilities [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
22.4
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27.6
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Diesel fuel swap contracts [Member] | Prepaid expenses and other [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Asset, Fair Value, Gross Asset |
0
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0.5
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Diesel fuel swap contracts [Member] | Prepaid expenses and other [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Asset, Fair Value, Gross Asset |
0.1
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0
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Diesel fuel swap contracts [Member] | Other accrued expenses and liabilities [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
0.6
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0
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Diesel fuel swap contracts [Member] | Other assets, net [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Asset, Fair Value, Gross Asset |
0
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0.1
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Diesel fuel swap contracts [Member] | Other liabilities [Member] | Designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
0
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0.1
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Diesel fuel swap contracts [Member] | Other liabilities [Member] | Not designated as hedging instrument [Member]
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| Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets |
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| Derivative Liability, Fair Value, Gross Liability |
$ 0.3
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$ 0
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