Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Additional Information (Detail)

v3.7.0.1
Property, Plant and Equipment - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 80.3 $ 76.3 $ 70.2
Cost of Goods Sold [Member]      
Property, Plant and Equipment [Line Items]      
Asset impairment charges $ 0.5 $ 3.5 $ 3.7