XML 52 R62.htm IDEA: XBRL DOCUMENT v2.4.0.8
Goodwill and Intangible Assets - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Goodwill [Line Items]      
Goodwill $ 356,811,000 $ 357,226,000  
Intangible assets, net 65,502,000 67,192,000  
Amortization of intangible assets purchased 6,985,000 6,083,000 5,126,000
Accumulated amortization of intangible assets 38,858,000 32,058,000  
Trademarks [Member]
     
Goodwill [Line Items]      
Impairment of indefinite lived intangible assets $ 700,000