Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Feb. 28, 2013
Feb. 28, 2014
reportable_segment
May 31, 2013
Oct. 05, 2013
Lanx, Inc. [Member]
Goodwill [Line Items]        
Goodwill   $ 3,656.8 $ 3,600.9 $ 73.8
Number of reportable segments   1    
Goodwill and definite and indefinite-lived intangible assets impairment charges 334.1      
Intangible assets, expected amortization expense for the year 2014   285.6    
Intangible assets, expected amortization expense for the year 2015   278.6    
Intangible assets, expected amortization expense for the year 2016   273.7    
Intangible assets, expected amortization expense for the year 2017   270.0    
Intangible assets, expected amortization expense for the year 2018   $ 252.6