Acquisitions - Other Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended				12 Months Ended				9 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Series of Individually Immaterial Business Acquisitions [Member]	Sep. 30, 2013 Series of Individually Immaterial Business Acquisitions [Member]	Jun. 30, 2014 Business Acquisition, Lions [Member]	Dec. 31, 2012 Business Acquisition, Martinic [Member]	Dec. 31, 2012 Business Acquisition, Wulfrun [Member]	Mar. 31, 2013 Business Acquisiton, Witter [Domain]	Sep. 30, 2013 Business Acquisition, AL-KO [Domain]	Jun. 30, 2013 Business Acquisition, AL-KO [Domain]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired			$ 27,510	$ 56,000	$ 28,000	$ 56,000
Net sales	380,120	354,910	1,148,510	1,068,410			10,000	13,000	10,000	20,000		16,000
Business Combination, Bargain Purchase, Gain Recognized, Amount			$ 0	$ (2,880)							$ 2,900