Business Acquisitions (Narrative) (Details) (Business Acquisition, Acquiree - Duarte Business [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Dec. 28, 2012
Business Acquisition, Acquiree - Duarte Business [Member]
Purchase agreement contract price		$ 200,000
Cash paid at closing		198,900
Retrospective adjustments primarily related to long-term performance obligations and other accrued liabilities	12,800
Current portion of contractual commitment acquired that is expected to result in future losses					4,758
Long-term portion of contractual commitment acquired that is expected to result in future losses					17,939
Long-term portion of performance obligation acquired					23,215
Current portion of performance obligation acquired					12,985
Long-term receivable from Seller for services to be provided to the Seller					18,097
Current receivable from Seller for services to be provided to the Seller					8,103
Transaction costs			0	1,944
Net Sales			$ 145,998	$ 111,261