Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Comprehensive Income

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Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Statement of Other Comprehensive Income [Abstract]      
Net income $ 130,675 $ 123,070 $ 98,523
Other comprehensive (loss) income, net of tax:      
Foreign currency translation adjustments 0 0 254
Change in fair value of derivative instrument (471) 0 0
Other comprehensive (loss) income, net of tax (471) 0 254
Comprehensive income $ 130,204 $ 123,070 $ 98,777