Business Acquisitions (Narrative) (Details) (Business Acquisition, Acquiree - Duarte Business [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2014	Mar. 31, 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	1,707
Net Sales	$ 37,701			$ 69,133	$ 35,090