Segment Reporting - Net Sales by Geography (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Feb. 28, 2014
Feb. 28, 2013
Net sales by geography:        
Net sales $ 822.5 $ 771.5 [1],[2] $ 2,378.9 $ 2,269.0 [1],[2]
United States [Member]
        
Net sales by geography:        
Net sales 508.9 472.9 1,471.9 1,395.9
Europe [Member]
        
Net sales by geography:        
Net sales 199.8 184.7 563.1 521.5
International [Member]
        
Net sales by geography:        
Net sales $ 113.8 [3] $ 113.9 [3] $ 343.9 [3] $ 351.6 [3]
[1] Certain amounts have been adjusted to conform to the current presentation. The current presentation aligns with how the Company presently manages and markets its products.
[2] Certain amounts have been reclassified to conform to the current presentation. See Note 1 to the condensed consolidated financial statements for a description of the reclassification.
[3] International primarily includes Canada, Latin America and the Asia Pacific region.