Quarterly report pursuant to Section 13 or 15(d)

Changes in Accumulated Other Comprehensive Loss, Net of Taxes, Related to Interest Rate Swap Agreements (Detail)

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Changes in Accumulated Other Comprehensive Loss, Net of Taxes, Related to Interest Rate Swap Agreements (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive loss before reclassifications, net of taxes $ 892 $ 115 $ 2,050 $ 2,481
Net other comprehensive income     2,050 2,481
Interest Rate Swap
       
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balances (4,558) (6,501) (5,716) (8,867)
Other comprehensive loss before reclassifications, net of taxes (70) (806) (787) (249)
Amounts reclassified from accumulated other comprehensive loss to interest expense, net of taxes 962 921 2,837 2,730
Net other comprehensive income 892 115 2,050 2,481
Ending balances $ (3,666) $ (6,386) $ (3,666) $ (6,386)