Other Long-Term Obligations (Details) - USD ($)	3 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Other Liabilities Disclosure [Abstract]
Sale Leaseback Transaction, Deferred Gain, Gross	$ 7,414,000
Supplemental Executive Retirement Plan (SERP) liability	5,993,000	$ 6,067,000
Product liability	16,448,000	18,860,000
Deferred income taxes	27,366,000	30,423,000
Deferred compensation	4,634,000	5,667,000
Uncertain tax obligation including interest	14,181,000	15,160,000
Other	12,767,000	12,628,000
Total long-term obligations	88,501,000	88,805,000
Sale Leaseback Transaction, Deferred Gain, Net	7,112,000	$ 0
Sale Leaseback Transaction, Current Period Gain Recognized	$ 42,000