Discontinued Operations (Details) (USD $)	0 Months Ended	3 Months Ended			6 Months Ended		12 Months Ended
	Oct. 24, 2013	Jun. 29, 2014	Mar. 30, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013	Dec. 29, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Working capital adjustment					$ 1,559,000	$ 0
New England Media Group [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of discontinued operations	70,000,000
Net after-tax proceeds from the sale, including a tax benefit	74,000,000
Pre-tax gain							47,600,000
Working capital adjustment			1,600,000
Discontinued Operation Income Statement Disclosures [Abstract]
Revenues		0		94,406,000	0	179,664,000
Total operating costs		0		87,199,000	0	176,924,000
Loss from joint ventures		0		(54,000)	0	(124,000)
Interest expense, net		0		2,000	0	5,000
Pre-tax income		0		7,151,000	0	2,611,000
Income tax expense		0		4,376,000	0	2,621,000
Income/(loss) from discontinued operations, net of income taxes		0		2,775,000	0	(10,000)
Loss on sale		0		0	(1,559,000)	0
Income tax benefit		0		0	(565,000)	0
Loss on sale, net of income taxes		0		0	(994,000)	0
Loss from discontinued operations, net of income taxes		$ 0		$ 2,775,000	$ (994,000)	$ (10,000)	$ 28,100,000
MetroBostonLLC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage ownership	49.00%