Other Long-Term Obligations (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Other Liabilities Disclosure [Abstract]
Sale Leaseback Transaction, Deferred Gain, Gross	$ 7,414,000	$ 7,414,000
Supplemental Executive Retirement Plan liability	5,957,000	5,957,000	$ 6,067,000
Product liability	16,456,000	16,456,000	18,860,000
Deferred income taxes	30,518,000	30,518,000	30,423,000
Deferred compensation	4,138,000	4,138,000	5,667,000
Uncertain tax obligation including interest	3,742,000	3,742,000	15,160,000
Other	12,628,000	12,628,000	12,628,000
Total long-term obligations	80,484,000	80,484,000	88,805,000
Sale Leaseback Transaction, Deferred Gain, Net	7,045,000	7,045,000	$ 0
Sale Leaseback Transaction, Current Period Gain Recognized	$ 67,000	$ 109,000