Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Condensed Consolidating Financial Information - Condensed Consolidating Statements of Comprehensive Income (Loss) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Condensed Financial Statements, Captions [Line Items]    
Net income $ 82,558 $ 44,559
Foreign currency translation adjustment (7,278) (3,567)
Change in fair value of derivative instruments, net of taxes 0 [1] (1,430) [1]
Reclassification of settled contracts, net of taxes 0 [2] 1,797 [2]
Other comprehensive loss (7,278) (3,200)
Comprehensive income 75,280 41,359
Parent [Member]
    
Condensed Financial Statements, Captions [Line Items]    
Net income 82,558 44,559
Foreign currency translation adjustment (7,278) (3,567)
Change in fair value of derivative instruments, net of taxes   (1,430)
Reclassification of settled contracts, net of taxes   1,797
Other comprehensive loss (7,278) (3,200)
Comprehensive income 75,280 41,359
Guarantor [Member]
    
Condensed Financial Statements, Captions [Line Items]    
Net income (128) 104
Foreign currency translation adjustment 0 0
Change in fair value of derivative instruments, net of taxes   0
Reclassification of settled contracts, net of taxes   0
Other comprehensive loss 0 0
Comprehensive income (128) 104
Non-Guarantor [Member]
    
Condensed Financial Statements, Captions [Line Items]    
Net income (1,997) (532)
Foreign currency translation adjustment (7,278) (3,567)
Change in fair value of derivative instruments, net of taxes   0
Reclassification of settled contracts, net of taxes   0
Other comprehensive loss (7,278) (3,567)
Comprehensive income (9,275) (4,099)
Eliminations [Member]
    
Condensed Financial Statements, Captions [Line Items]    
Net income 2,125 428
Foreign currency translation adjustment 7,278 3,567
Change in fair value of derivative instruments, net of taxes   0
Reclassification of settled contracts, net of taxes   0
Other comprehensive loss 7,278 3,567
Comprehensive income $ 9,403 $ 3,995
[1] Net of $0.0 million and $(0.9) million in taxes for the three months ended March 31, 2014 and 2013, respectively.
[2] Net of $0.0 million and $1.2 million in taxes for the three months ended March 31, 2014 and 2013, respectively.