Quarterly report pursuant to Section 13 or 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
Mar. 31, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
Cost $ 34,605 $ 33,874
Accumulated Amortization (25,814) (25,121)
Net 8,791 8,753
Customer lists and contracts
   
Finite-Lived Intangible Assets [Line Items]    
Cost 17,213 17,213
Accumulated Amortization (13,059) (12,665)
Net 4,154 4,548
Domain and brand names
   
Finite-Lived Intangible Assets [Line Items]    
Cost 11,037 11,015
Accumulated Amortization (7,417) (7,192)
Net 3,620 3,823
Favorable and assigned leases
   
Finite-Lived Intangible Assets [Line Items]    
Cost 2,358 1,649
Accumulated Amortization (1,617) (1,594)
Net 741 55
Other amortizable intangible assets
   
Finite-Lived Intangible Assets [Line Items]    
Cost 3,997 3,997
Accumulated Amortization (3,721) (3,670)
Net $ 276 $ 327