Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2013		Sep. 28, 2014 Fair Value, Measurements, Recurring [Member] Level 1 [Member]	Dec. 29, 2013 Fair Value, Measurements, Recurring [Member] Level 1 [Member]	Sep. 28, 2014 Fair Value, Measurements, Recurring [Member] Level 2 [Member]	Dec. 29, 2013 Fair Value, Measurements, Recurring [Member] Level 2 [Member]	Sep. 28, 2014 Fair Value, Measurements, Recurring [Member] Level 3 [Member]	Dec. 29, 2013 Fair Value, Measurements, Recurring [Member] Level 3 [Member]	Sep. 28, 2014 Fair Value, Measurements, Recurring [Member] Fair Value [Member]	Dec. 29, 2013 Fair Value, Measurements, Recurring [Member] Fair Value [Member]	Sep. 29, 2013 CarryingValue [Member]	Sep. 29, 2013 Fair Value [Member] Fair Value, Measurements, Nonrecurring [Member] Level 1 [Member]	Sep. 29, 2013 Fair Value [Member] Fair Value, Measurements, Nonrecurring [Member] Level 2 [Member]	Sep. 29, 2013 Fair Value [Member] Fair Value, Measurements, Nonrecurring [Member] Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation			$ 43,767	$ 51,660	$ 0	$ 0	$ 0	$ 0	$ 43,767	$ 51,660
Property, plant and equipment											55,056	0	0	55,056
Property, plant and equipment impairment losses	$ 34,300	[1]

[1] Impairment losses related to the New England Media Group are included within “(Loss) from discontinued operations, net of income taxes” in the Condensed Consolidated Statements of Operations for the quarter and nine months ended September 29, 2013. See Note 11 for additional information.