Shareholders' Equity (Issuance of Common Stock) (Details) $ in Thousands	12 Months Ended
	Oct. 01, 2016 USD ($)
Class of Stock [Line Items]
Public offering	$ 79,695
Less: Underwriting discounts and commissions	(4,782)
Less: Other expenses	(612)
Issuance of common stock, net	74,301
Common Stock
Class of Stock [Line Items]
Public offering	474
Issuance of common stock, net	474
Additional Paid-in Capital
Class of Stock [Line Items]
Public offering	79,221
Less: Underwriting discounts and commissions	(4,782)
Less: Other expenses	(612)
Issuance of common stock, net	$ 73,827