Acquisitions (Acquisition Related Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
RBI
Business Acquisition [Line Items]
Total acquisition related costs			$ 1,853
RBI | Selling, general and administrative costs
Business Acquisition [Line Items]
Total acquisition related costs			1,795
RBI | Cost of sales
Business Acquisition [Line Items]
Total acquisition related costs			58
September 2013 Acquisition
Business Acquisition [Line Items]
Total acquisition related costs	$ (252)	$ (742)	(480)	$ (534)
September 2013 Acquisition | Selling, general and administrative costs
Business Acquisition [Line Items]
Total acquisition related costs	(252)	(742)	(480)	(740)
September 2013 Acquisition | Cost of sales
Business Acquisition [Line Items]
Total acquisition related costs	$ 0	$ 0	$ 0	$ 206