Annual report pursuant to Section 13 and 15(d)

Significant Classes of Amortizable Intangible Assets by Major Category (Detail)

v2.4.0.6
Significant Classes of Amortizable Intangible Assets by Major Category (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]    
Cost $ 33,874 $ 29,286
Accumulated Amortization (25,121) (22,817)
Net 8,753 6,469
Customer Lists and Contracts
    
Finite-Lived Intangible Assets [Line Items]    
Cost 17,213 15,519
Accumulated Amortization (12,665) (11,372)
Net 4,548 4,147
Domain and Brand Names
    
Finite-Lived Intangible Assets [Line Items]    
Cost 11,015 8,227
Accumulated Amortization (7,192) (6,436)
Net 3,823 1,791
Favorable and Assigned Leases
    
Finite-Lived Intangible Assets [Line Items]    
Cost 1,649 1,649
Accumulated Amortization (1,594) (1,536)
Net 55 113
Other Amortizable Intangible Assets
    
Finite-Lived Intangible Assets [Line Items]    
Cost 3,997 3,891
Accumulated Amortization (3,670) (3,473)
Net $ 327 $ 418