Annual report pursuant to Section 13 and 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
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Other comprehensive loss before reclassifications, net of taxes $ 3,151 $ 1,020 $ (2,830)
Net other comprehensive income (loss)     (2,037)
Interest Rate Swap
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balances (8,867) (12,357) (11,726)
Other comprehensive loss before reclassifications, net of taxes (2,668) (11,959) (18,759)
Amounts reclassified from accumulated other comprehensive loss to interest expense 5,819 15,449 20,165
Net other comprehensive income (loss) 3,151 3,490 1,406
Loss included in earnings     (2,037)
Ending balances $ (5,716) $ (8,867) $ (12,357)