XML 37 R47.htm IDEA: XBRL DOCUMENT v2.4.0.8
Derivatives - Summary of Fair Value Amounts of Company's Derivative Instruments (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Derivative Instruments And Hedging Activities Disclosure [Abstract]    
Derivative asset classified in other current assets $ 44 $ 920
Derivative liability classified in other current liabilities $ 1,161 $ 656