Annual report pursuant to Section 13 and 15(d)

Inventories (Detail)

v3.3.1.900
Inventories (Detail) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Reserve for inventory valuation $ 14.6 $ 12.3
Percentage of reserve for inventory valuation 11.20% 9.60%