Quarterly report pursuant to Section 13 or 15(d)

Inventory - Additional Information (Detail)

v2.4.0.8
Inventory - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Schedule Of Inventory [Line Items]    
Provision for excess and obsolete inventory $ 3.0 $ 2.8