Other Long-Term Obligations (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Other Liabilities, Noncurrent [Abstract]
Supplemental Executive Retirement Plan Liability	$ 27,488	$ 26,133
Product liability	18,280	20,026
Deferred income taxes	28,948	32,559
Deferred compensation	9,937	8,542
Other	21,497	12,331
Total long-term obligations	$ 106,150	$ 99,591