Fair Value Measurements (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 27, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 27, 2015	Dec. 28, 2014		Dec. 29, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Proportionate share of loss, after tax and allocation to noncontrolling interest		$ (25)	$ 170	$ (356)	$ (572)	$ (7,845)	$ 1,599	$ 25	$ (2,147)	$ (783)	$ (8,368)		$ (3,215)
Carrying value of long-term debt		236,000				420,000				236,000	420,000
Long-term debt, fair value		316,000				527,000				316,000	527,000
Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charge										0	9,216	[1]
Impairment of assets, property, plant and equipment	[2]												34,300
Level 1 [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation		35,578				45,136				35,578	45,136
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
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
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
Estimate of Fair Value Measurement [Member] | Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation		$ 35,578				45,136				$ 35,578	45,136
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
Madison Paper Industries [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charge						9,200
Proportionate share of loss, after tax and allocation to noncontrolling interest						$ (4,700)					$ (4,700)

[1] (1)Impairment losses related to Madison are included within “Loss from joint ventures” for the year ended December 28, 2014. See Note 5 for additional information.

[2] Impairment losses related to the New England Media Group and are included within “(Loss)/income from discontinued operations, net of income taxes” for the year ended December 29, 2013. We sold the New England Media Group in the fourth quarter of 2013. See Note 13 for additional information.