Acquisitions (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015	Jun. 09, 2015
Business Acquisition [Line Items]
Goodwill			$ 294,797,000	$ 292,390,000
RBI
Business Acquisition [Line Items]
Aggregate purchase consideration					$ 147,585,000
Goodwill					57,180,000
Goodwill, tax deductible amount					37,969,000
Indemnification asset					$ 3,000,000
Acquisition costs related to sale of inventory at fair value		$ 58,000
Selling, General and Administrative Expenses | RBI
Business Acquisition [Line Items]
Acquisition related costs	$ 1,795,000	$ 1,795,000