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Borrowings (Details Textual) (USD $)
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Aug. 31, 2014
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Aug. 31, 2014
Minimum [Member]
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Aug. 31, 2014
Maximum [Member]
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Aug. 31, 2014
Senior Credit Facility - Term Loans [Member]
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Feb. 28, 2014
Senior Credit Facility - Term Loans [Member]
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Aug. 31, 2014
U.S. Term A Facility [Member]
Senior Credit Facility - Term Loans [Member]
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Aug. 31, 2014
U.S. Term A-1 Facility [Member]
Senior Credit Facility - Term Loans [Member]
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Aug. 31, 2014
U.S. Term A-2 Facility [Member]
Senior Credit Facility - Term Loans [Member]
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Jun. 07, 2013
U.S. Term A-2 Facility [Member]
Senior Credit Facility - Term Loans [Member]
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Aug. 31, 2014
European Term A Facility [Member]
Senior Credit Facility - Term Loans [Member]
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Jun. 07, 2013
European Term A Facility [Member]
Senior Credit Facility - Term Loans [Member]
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Aug. 31, 2014
European Term B-1 Facility [Member]
Senior Credit Facility - Term Loans [Member]
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Aug. 31, 2014
Senior Credit Facility - Revolving Credit Loans [Member]
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Jun. 06, 2014
Senior Credit Facility - Revolving Credit Loans [Member]
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May 27, 2014
Senior Credit Facility - Revolving Credit Loans [Member]
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Jun. 07, 2013
Senior Credit Facility - Revolving Credit Loans [Member]
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Aug. 31, 2014
Senior Credit Facility - Revolving Credit Loans [Member]
U.S. Revolving Credit Facility [Member]
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Aug. 31, 2014
Senior Credit Facility - Revolving Credit Loans [Member]
European Revolving Credit Facility [Member]
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Aug. 31, 2014
Letters of Credit [Member]
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Schedule of Debt [Line Items] | |||||||||||||||||||
| Maximum borrowing amount under credit facility | $ 3,712,300,000 | $ 496,300,000 | $ 245,000,000 | $ 649,700,000 | $ 675,000,000.0 | $ 481,300,000 | $ 500,000,000.0 | $ 990,000,000 | $ 850,000,000.0 | $ 850,000,000.0 | $ 425,000,000.0 | $ 425,000,000.0 | $ 200,000,000.0 | ||||||
| Incremental borrowings under credit facility | 25,000,000.0 | 750,000,000.0 | |||||||||||||||||
| LIBOR margin | 1.75% | 2.00% | 1.75% | 1.75% | 1.75% | 1.75% | |||||||||||||
| Pledge of ownership interests in certain of Company's domestic subsidiaries | 100.00% | ||||||||||||||||||
| Pledge of voting capital stock interests in certain of Company's foreign subsidiaries | 65.00% | ||||||||||||||||||
| Pledge of ownership interests in certain of CIH's subsidiaries | 100.00% | ||||||||||||||||||
| Senior notes outstanding | 2,840,500,000 | 2,864,800,000 | 489,800,000 | 244,400,000 | 641,300,000 | 475,000,000 | 990,000,000 | ||||||||||||
| Credit facility, interest rate | 1.90% | 2.20% | 1.90% | 1.90% | 1.90% | 1.90% | |||||||||||||
| Outstanding borrowings under revolving credit facility | 110,000,000 | 150,000,000 | 580,000,000 | ||||||||||||||||
| Outstanding letters of credit | 14,100,000 | ||||||||||||||||||
| Remaining borrowing capacity | $ 725,900,000 |