Restructuring Costs (Details) (USD $)	12 Months Ended									12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 29, 2012 Accelerated depreciation of equipment	Sep. 28, 2013 Employee severance, post-retirement and other benefit costs	Sep. 29, 2012 Employee severance, post-retirement and other benefit costs	Sep. 28, 2013 Early withdrawal from multi-employer pension plan	Sep. 28, 2013 Lease termination, facility closure and other costs	Sep. 24, 2011 Book Manufacturing	Sep. 28, 2013 Book Manufacturing	Sep. 29, 2012 Book Manufacturing Selling and administrative expenses	Sep. 24, 2011 Book Manufacturing Selling and administrative expenses	Sep. 29, 2012 Book Manufacturing Cost of sales	Sep. 24, 2011 Book Manufacturing Cost of sales	Sep. 24, 2011 Book Manufacturing Employee severance, post-retirement and other benefit costs	Sep. 28, 2013 Book Manufacturing Early withdrawal from multi-employer pension plan	Sep. 24, 2011 Book Manufacturing Early withdrawal from multi-employer pension plan	Sep. 28, 2013 Book Manufacturing Lease termination, facility closure and other costs	Sep. 24, 2011 Book Manufacturing Lease termination, facility closure and other costs	Sep. 29, 2012 Publishing Selling and administrative expenses
Restructuring costs
Pre-tax charge		$ 3,300,000	$ 1,400,000		$ 1,900,000			$ 7,700,000		$ 1,000,000	$ 400,000	$ 1,700,000	$ 7,300,000	$ 2,300,000		$ 2,100,000		$ 3,300,000	$ 600,000
Restructuring payments included in Other current liabilities	200,000								1,000,000
Restructuring payments included in Other liabilities									2,300,000
Expected payment								3,200,000
Period over which remaining payments for restructuring costs will be made															18 years		2 years
Remaining accrual balances for restructuring costs
Accrual at the beginning of the period	4,607,000			870,000		2,072,000	1,665,000
Charges or Reversals	26,000						26,000
Costs Paid or Settled	(1,083,000)			(562,000)		(71,000)	(450,000)
Accrual at the end of the period	$ 3,550,000	$ 4,607,000		$ 308,000	$ 870,000	$ 2,001,000	$ 1,241,000