Summarized Quarterly Results of Operations (Parenthetical) (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Line Items]
Stock compensation expense		$ 1,100			$ 4,934	$ 3,115	$ 2,557
Stock compensation expenses, after tax		700
Contingency accrual		$ 1,300
Adjustment to inventory and fixed asset				$ 3,200		1,800
Impairment charge for assets held for sale				$ 18,900
Lawn and Garden Business
Quarterly Financial Information Disclosure [Line Items]
Gain sale of business	$ 900		$ 3,800		$ 4,700
Impairment charge for assets held for sale						$ 18,900