Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Significant Classes of Amortizable Intangible Assets by Major Category (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
Cost $ 35,332 $ 33,874
Accumulated Amortization (27,196) (25,121)
Net 8,136 8,753
Customer lists and contracts
   
Finite-Lived Intangible Assets [Line Items]    
Cost 17,554 17,213
Accumulated Amortization (13,834) (12,665)
Net 3,720 4,548
Domain and brand names
   
Finite-Lived Intangible Assets [Line Items]    
Cost 11,423 11,015
Accumulated Amortization (7,864) (7,192)
Net 3,559 3,823
Favorable and assigned leases
   
Finite-Lived Intangible Assets [Line Items]    
Cost 2,358 1,649
Accumulated Amortization (1,676) (1,594)
Net 682 55
Other amortizable intangible assets
   
Finite-Lived Intangible Assets [Line Items]    
Cost 3,997 3,997
Accumulated Amortization (3,822) (3,670)
Net $ 175 $ 327