Annual report pursuant to Section 13 and 15(d)

Inventories - Additional Information (Detail)

v2.4.0.8
Inventories - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Inventory Disclosure [Abstract]    
Reserve for inventory valuation $ 11.0 $ 12.0
Percentage of reserve for inventory valuation 11.50% 19.80%