Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended			18 Months Ended	1 Months Ended	3 Months Ended	0 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Jun. 20, 2014	Sep. 30, 2014	Feb. 17, 2015	Jul. 31, 2013 facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment charge for assets held for sale	$ 18,900,000
Number of manufacturing plants									2
Restructuring charges		1,213,000	436,000	1,045,000
Lawn And Garden [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment charge for assets held for sale		18,900,000
Cumulative translation credit adjustment associated with the Lawn and Garden group	8,300,000	8,300,000			8,300,000
Restructuring charges		5,505,000	8,803,000	1,685,000	15,000,000
WEK [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business						20,700,000
Proceeds from divestiture of businesses, attributed to change in working capital						800,000
Held in escrow						1,000,000
Net gain on sale of discontinued operations, net of tax							3,000,000
Gain on sale of business, tax							1,600,000
Restructuring charges			200,000	1,200,000
Subsequent Event [Member] | Lawn and Garden Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business								90,000,000
Consideration received or divestiture, cash and non cash								110,000,000
Note receivable								$ 20,000,000
Note receivable, term (in years)								5 years