Fair Value Measurements (Details) (USD $)	3 Months Ended								12 Months Ended				3 Months Ended	12 Months Ended
	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012		Jun. 24, 2012	Dec. 25, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Proportionate share of loss, after tax and allocation to noncontrolling interest	$ (7,845,000)	$ 1,599,000	$ 25,000	$ (2,147,000)	$ 183,000	$ (123,000)	$ (405,000)	$ (2,870,000)	$ (8,368,000)	$ (3,215,000)	$ 2,936,000
Impairment of investments									0	0	5,500,000
Carrying value of long-term debt	420,000,000				677,000,000				420,000,000	677,000,000
Long-term debt, fair value	527,000,000				819,000,000				527,000,000	819,000,000
About Group [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, Impairment Loss													194,700,000
Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of assets, property, plant and equipment										34,300,000
Goodwill, Impairment Loss											194,732,000	[1]
Impairment of investments											5,500,000
Impairment testing annual growth rate assumption											3.50%			5.00%
Impairment testing discount rate assumption											15.00%			13.80%
Impairment charge									9,216,000
Nonrecurring [Member] | Cost-method Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of investments											5,500,000
Nonrecurring [Member] | About Group [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, Impairment Loss													194,700,000
Level 1 [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation	45,136,000				51,660,000				45,136,000	51,660,000
Level 1 [Member] | Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in joint ventures	0								0
Property, plant and equipment, net					0					0
Goodwill											0
Cost method investments											0
Level 2 [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation	0				0				0	0
Level 2 [Member] | Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in joint ventures	0								0
Property, plant and equipment, net					0					0
Goodwill											0
Cost method investments											0
Level 3 [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation	0				0				0	0
Level 3 [Member] | Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in joint ventures	0								0
Property, plant and equipment, net					0					0
Goodwill											0
Cost method investments											0
Estimate of Fair Value Measurement [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation	45,136,000				51,660,000				45,136,000	51,660,000
Net Carrying Value [Member] | Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments in joint ventures	0								0
Property, plant and equipment, net					0					0
Goodwill											0
Cost method investments											0
Madison Paper Industries [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Proportionate share of loss, after tax and allocation to noncontrolling interest	(4,700,000)								(4,700,000)
Impairment charge	$ 9,200,000

[1] Impairment losses related to the About Group and are included within “(Loss)/income from discontinued operations, net of income taxes” for the year ended December 30, 2012. We sold the About Group in September 2012. See Note 13 for additional information.