v2.4.0.8
Comprehensive Income (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Comprehensive Income (Loss) [Line Items]      
Beginning balance $ (15,297)    
Unrealized (losses) gains 3,752 2,524  
Unrealized (losses) gains net 2,300 1,541 (602)
Reclassification from accumulated other comprehensive loss (income) into net income (802) (123)  
Reclassification from accumulated other comprehensive income into net income net of tax (490) (75) (57)
Ending balance (2,645) (15,297)  
Interest Rate Swaps and Interest Rate Cap Agreements
      
Comprehensive Income (Loss) [Line Items]      
Beginning balance (15,402) (19,328)  
Unrealized (losses) gains 277 (10,154) (47,544)
Related income tax benefit (expense) (108) 3,950 18,495
Unrealized (losses) gains net 169 (6,204) (29,049)
Reclassification from accumulated other comprehensive loss (income) into net income 21,096 16,578 15,911
Related tax (8,207) (6,448) (6,190)
Reclassification from accumulated other comprehensive income into net income net of tax 12,889 10,130 9,721
Ending balance (2,344) (15,402) (19,328)
Investment securities
      
Comprehensive Income (Loss) [Line Items]      
Beginning balance 1,310 (156) 503
Unrealized (losses) gains 3,752 2,524 (986)
Related income tax benefit (expense) (1,452) (983) 384
Unrealized (losses) gains net 2,300 1,541 (602)
Reclassification from accumulated other comprehensive loss (income) into net income (802) (123) (93)
Related tax 312 48 36
Reclassification from accumulated other comprehensive income into net income net of tax (490) (75) (57)
Ending balance 3,120 1,310 (156)
Foreign currency translation adjustments
      
Comprehensive Income (Loss) [Line Items]      
Beginning balance (1,205)    
Unrealized (losses) gains (2,216) (1,205)  
Unrealized (losses) gains net (2,216) (1,205)  
Ending balance (3,421) (1,205)  
Accumulated other comprehensive income (loss)
      
Comprehensive Income (Loss) [Line Items]      
Beginning balance (15,297) (19,484) 503
Unrealized (losses) gains 1,813 (8,835) (48,530)
Related income tax benefit (expense) (1,560) 2,967 18,879
Unrealized (losses) gains net 253 (5,868) (29,651)
Reclassification from accumulated other comprehensive loss (income) into net income 20,294 16,455 15,818
Related tax (7,895) (6,400) (6,154)
Reclassification from accumulated other comprehensive income into net income net of tax 12,399 10,055 9,664
Ending balance $ (2,645) $ (15,297) $ (19,484)