Other Long-Term Obligations - (Details) - USD ($)	Dec. 31, 2015	Apr. 23, 2015	Dec. 31, 2014
Other Liabilities Disclosure [Abstract]
Supplemental Executive Retirement Plan liability	$ 4,930,000		$ 6,067,000
Product liability	14,582,000		18,860,000
Deferred income taxes	32,115,000		30,423,000
Sale Leaseback Transaction, Deferred Gain, Gross	6,978,000	$ 7,414,000	0
Deferred compensation	4,167,000		5,667,000
Uncertain tax obligation including interest	4,467,000		15,160,000
Other	15,350,000		12,628,000
Total long-term obligations	$ 82,589,000		$ 88,805,000