Shareholders' Equity (Tangible Equity Units Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Jul. 02, 2016	Jul. 01, 2017
Debt Instrument [Line Items]
Issued shares (in shares)	1,150
Tangible equity units, rate	8.75%
Tangible equity units, issued, net	$ 110,926
Fair value price per TEU (in dollars per share)	$ 100
Tangible equity units senior amortizing note
Debt Instrument [Line Items]
Fair value price per TEU (in dollars per share)	$ 100
Amortization period of costs		3 years