Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Information (Unaudited) (Details 1)

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Selected Quarterly Financial Information (Unaudited) (Details 1) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Feb. 28, 2013
Nov. 30, 2012
Aug. 31, 2012
May 31, 2012
Feb. 29, 2012
Nov. 30, 2011
Aug. 31, 2011
May 31, 2011
Feb. 28, 2013
Feb. 29, 2012
Summary of net of income tax effect                    
Transaction and related costs associated with pending and completed acquisitions $ 7.1 $ 5.3 $ 5.7 $ 0         $ 18.1  
Net gains losses on divestiture and related activities net of income tax (7.1) 0 0 0 3.5 2.8 0.3 (0.4) (7.1) 6.2
Other selling, general and administrative costs 0.9 1.3 (0.5) 1.4 (0.8) 1.4 2.0 0.6 3.1 3.2
Restructuring charges (0.2) 0.2 0.2 0.4 2.8 0.6 (0.2) 7.1 0.6 10.3
Other equity method investment costs 0.5 0.1 0 0         0.6  
Loss on write-off of financing costs 6.1 0 0 1.7         7.8  
Accelerated depreciation         0 0 0.1 0.1   0.2
Net losses (gains) on acquisition of Ruffino (excluding gain on obligation from put option of Ruffino shareholder) and related activities         0.4 (6.8) (0.1) 2.2   (4.3)
(Gain) loss on obligation from put option of Ruffino shareholder         0 (2.5) 0 0   (2.5)
Impairment of intangible assets         $ 28.6 $ 0 $ 0 $ 0   $ 28.6