XML 40 R40.htm IDEA: XBRL DOCUMENT v2.4.0.8
Goodwill and Intangible Assets - Goodwill / Tradename (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Goodwill And Intangible Asset Impairment [Abstract]    
Goodwill, beginning balance $ 132,220 $ 19,548
Goodwill, acquisitions and related adjustments 1,167 112,306
Goodwill, foreign currency adjustments (91) 366
Goodwill, ending balance 133,296 132,220
Tradename, beginning balance 18,419 3,526
Tradename, acquisitions and related adjustments   14,775
Tradename, foreign currency adjustments (14) 118
Tradename, ending balance $ 18,405 $ 18,419