Business Acquisitions (Schedule of Finite-Lived Intangible Assets Acquired, Future Amortization Expense) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Dec. 28, 2012
2014	$ 27,507
2017	25,801
2018	24,978
2019	23,142
2020	20,359
Thereafter	103,351
Finite-Lived Intangible Assets, Net, Total	$ 225,138	$ 254,772
Business Acquisition, Acquiree - Duarte Business [Member]
Acquired Finite-lived Intangible Asset, Amount			$ 89,700
Total amount of acquired intangible assets			$ 89,700