Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidating Financial Information - Condendsed Consolidating Statements of Comprehensive Income (Loss) (Details)

v2.4.0.8
Condensed Consolidating Financial Information - Condendsed Consolidating Statements of Comprehensive Income (Loss) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Condensed Financial Statements, Captions [Line Items]        
Net income $ 43,828 $ 25,117 $ 88,387 $ 51,986
Foreign currency translation adjustment (6,113) (2,865) (9,680) (1,926)
Change in fair value of derivative instruments, net of taxes 356 [1] 18,194 [1] (1,074) [1] 7,573 [1]
Reclassification of settled contracts, net of taxes 1,404 [2] 561 [2] 3,201 [2] 461 [2]
Other comprehensive income (loss) (4,353) 15,890 (7,553) 6,108
Comprehensive income 39,475 41,007 80,834 58,094
Parent [Member]
        
Condensed Financial Statements, Captions [Line Items]        
Net income 43,828 25,117 88,387 51,986
Foreign currency translation adjustment (6,113) (2,865) (9,680) (1,926)
Change in fair value of derivative instruments, net of taxes 356 18,194 (1,074) 7,573
Reclassification of settled contracts, net of taxes 1,404 561 3,201 461
Other comprehensive income (loss) (4,353) 15,890 (7,553) 6,108
Comprehensive income 39,475 41,007 80,834 58,094
Guarantor [Member]
        
Condensed Financial Statements, Captions [Line Items]        
Net income 173 195 277 245
Foreign currency translation adjustment 0 0 0 0
Change in fair value of derivative instruments, net of taxes 0 0 0 0
Reclassification of settled contracts, net of taxes 0 0 0 0
Other comprehensive income (loss) 0 0 0 0
Comprehensive income 173 195 277 245
Non-Guarantor [Member]
        
Condensed Financial Statements, Captions [Line Items]        
Net income (733) (307) (1,265) (610)
Foreign currency translation adjustment (6,113) (2,865) (9,680) (1,926)
Change in fair value of derivative instruments, net of taxes 0 0 0 0
Reclassification of settled contracts, net of taxes 0 0 0 0
Other comprehensive income (loss) (6,113) (2,865) (9,680) (1,926)
Comprehensive income (6,846) (3,172) (10,945) (2,536)
Eliminations [Member]
        
Condensed Financial Statements, Captions [Line Items]        
Net income 560 112 988 365
Foreign currency translation adjustment 6,113 2,865 9,680 1,926
Change in fair value of derivative instruments, net of taxes 0 0 0 0
Reclassification of settled contracts, net of taxes 0 0 0 0
Other comprehensive income (loss) 6,113 2,865 9,680 1,926
Comprehensive income $ 6,673 $ 2,977 $ 10,668 $ 2,291
[1] Net of $0.2 million and $(0.7) million in taxes for the three and six months ended June 30, 2013, respectively. No taxes were recorded in the three and six months ended June 30, 2012.
[2] Net of $0.9 million and $2.0 million in taxes for the three and six months ended June 30, 2013, respectively. No taxes were recorded in the three and six months ended June 30, 2012.