v2.4.0.8
Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment [Roll Forward]              
Balance, beginning $ (11,334) $ 265 $ 10,850 $ (2,071) $ (2,071) $ 2,202 $ (876)
Foreign currency translation 28,514 10,182 6,330 12,518 12,921 (4,273) 3,078
Balance, ending 17,180 10,447 17,180 10,447 10,850 (2,071) 2,202
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) (15,315) (3,557) (14,170) (11,266)      
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges [Roll Forward]              
Balance, beginning (6,730) (9,881) (10,091) (6,890) (6,890) 2,176 (6,536)
Pretax (loss) income         (11,313) (19,391) 3,230
Income tax expense (benefit) 5,647 1,259 5,305 3,981 3,962 6,847 (1,054)
Reversal of unrealized loss (gain) 15,956 1,641 19,771 4,753 6,439 5,641 10,377
Reversal of deferred income taxes (5,849) (585) (7,211) (1,701) (2,289) (2,019) (3,841)
Hedge ineffectiveness 293   460     (225)  
Income tax benefit (107)   (169)     81  
Balance, ending (6,105) (11,123) (6,105) (11,123) (10,091) (6,890) 2,176
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans [Roll Forward]              
Balance, beginning           0 15
Reversal of unrealized gain             (15)
Balance, ending             0
Accumulated Other Comprehensive Income (Loss) [Roll Forward]              
Balance, beginning (18,064) (9,616) 759 (8,961) (8,961) 4,378 (7,397)
Pretax income (loss) 13,199 6,625 (7,840) 1,252 1,608 (23,664) 6,308
Income tax expense (benefit) (5,647) (1,259) (5,305) (3,981) (3,962) (6,847) 1,054
Reversal of unrealized loss (gain) 15,956 1,641 19,771 4,753 6,439 5,641 10,362
Reversal of deferred income taxes 5,849 585 7,211 1,701 2,289 2,019 3,841
Hedge ineffectiveness 293   460     (225)  
Income tax benefit (107)   (169)     81  
Balance, ending $ 11,075 $ (676) $ 11,075 $ (676) $ 759 $ (8,961) $ 4,378