Note 7 Debt Detail (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Jun. 27, 2015	Dec. 27, 2014	Jun. 28, 2014	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Loss on extinguishments of debt				$ 3,760	$ 11,778	$ 1,401
Discounted value of notes issued				$ 0	14,789	$ 0
Secured Notes due 2019
Face value of debt			$ 375,000
Maturity Date				Jun. 01, 2019
Interest rate				4.375%
Frequency of Periodic Payment				semi-annually in arrears
Debt Instrument, Call Feature				All or any portion of the Secured Notes may be redeemed, at any time, at the option of the Company, at a redemption price equal to 100% of the principal amount of the Secured Notes redeemed plus accrued and unpaid interest, plus a make-whole premium. Following a change of control, as defined, the Company would be required to make an offer to repurchase all of the Secured Notes at a purchase price of 101% of the principal amount of the Secured Notes to be repurchased, plus accrued and unpaid interest to, but excluding, the date of repurchase.
Debt Issuance Costs			5,100
Non-interest bearing notes payable
Face value of debt			17,100
Frequency of Periodic Payment				payable in five annual installments
Discounted value of notes issued			$ 14,800
Senior Notes | 2019 Notes
Face value of debt								$ 500,000
Extinguishment of Debt, Amount		$ 100,000			400,000
Loss on extinguishments of debt		2,900			11,800
Write-off of Unamortized Debt Issuance Cost		1,400			6,000
Carrying value adjustment derecognized upon debt extinguishment		3,800			$ 16,500
Secured Debt | Debt due 2017
Face value of debt							$ 40,000
Maturity Date				Dec. 19, 2017	Jul. 19, 2015
Redemption premium | Senior Notes | 2019 Notes
Payments of Debt Extinguishment Costs		$ 5,300			$ 21,800
Third party cost | Senior Notes | 2019 Notes
Payments of Debt Extinguishment Costs					$ 500
Revolving Credit Facility
Loss on extinguishments of debt	$ 800
Debt Issuance Costs	$ 1,800