Goodwill and other Intangible Assets Schedule of Intangible Assets (Details) - USD ($)	Jun. 25, 2017	Sep. 25, 2016
Schedule of Intangible Assets [Line Items]
Mastheads	$ 23,644,000	$ 23,644,000
Other intangible assets, net	139,489,000	158,354,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	18,685,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two	16,321,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	15,249,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	14,824,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	11,934,000
Customer Lists [Member]
Schedule of Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	687,221,000	687,182,000
Finite-Lived Intangible Assets, Accumulated Amortization	571,376,000	552,472,000
Finite-Lived Intangible Assets, Net	115,845,000	134,710,000
Noncompete Agreements [Member]
Schedule of Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	28,524,000	28,524,000
Finite-Lived Intangible Assets, Accumulated Amortization	28,524,000	28,524,000
Finite-Lived Intangible Assets, Net	$ 0	$ 0