Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information (Supplemental Disclosure Of Cash Flow Information) (Details)

v2.4.0.6
Supplemental Cash Flow Information (Supplemental Disclosure Of Cash Flow Information) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Cash paid during the period for:      
Income tax payments $ 52,709 $ 73,847 $ 82,860
Income tax refunds (10) (1,806) (53)
Interest payments 29,985 29,198 30,490
Non-cash financing activities:      
Effective portion of change in interest rate swap $ 755 $ 0 $ 0