Financing (Schedule of Long term Debt) (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Oct. 01, 2016	Jul. 02, 2016
Debt Instrument [Line Items]
Long-term debt, gross	$ 478,488	$ 484,985
Less: Unamortized underwriting discounts, commissions and other expenses	(15,249)	(16,843)
Current maturities	(10,218)	(9,850)
Total long-term debt, less current maturities, net	449,798	455,001
Term Loan B Facility [Member]
Debt Instrument [Line Items]
Long-term debt, gross	457,700	460,000
Current maturities	$ (4,600)	(4,600)
Interest rate, percentage	1.00%
Tangible Equity Units Senior Amortizing Note [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 20,788	24,985
Less: Unamortized underwriting discounts, commissions and other expenses	3,223
Current maturities	$ (8,841)	$ (8,541)
Interest rate, percentage	8.75%		8.75%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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