Discontinued Operations Gain on Disposal (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 27, 2015		Sep. 28, 2014	Sep. 27, 2015		Sep. 28, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of the Bakery					$ 78,408		$ 0
Gain on disposal of discontinued operations, net of income taxes		$ (322)		$ 0	14,817		0
Bakery [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of the Bakery	[1]				78,408
Net Working Capital	[2]				(5,655)
Net properties sold	[3]				(30,664)
Goodwill allocated to the sale of the Bakery					(12,067)
Other	[4]				(2,684)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Post Closing Adjustments, before Income Tax					27,338
Post-closing adjustments on the sale of the Bakery					188
Gain on disposal of discontinued operations before income taxes		188	[5]	0	27,526		0
Provision for income taxes on gain on disposal		(510)	[5]	0	(12,709)	[6]	0
Gain on disposal of discontinued operations, net of income taxes		$ (322)	[5]	$ 0	14,817		$ 0
Obligation for Employer Provided Health Insurance [Member] | Bakery [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other					$ (1,993)

[1] Represents net proceeds received, which includes the purchase price of $78,500 less transaction closing costs paid directly by the Buyer on the Company’s behalf.

[2] Primarily represents accounts receivable, inventory, prepaid expenses and accounts payable.

[3] Net properties sold consisted primarily of buildings, equipment and capital leases for transportation equipment.

[4] Primarily includes the recognition of the Company’s obligation, pursuant to the sale agreement, to provide health insurance benefits to the Bakery’s employees through December 31, 2015 of $1,993 and transaction closing costs paid directly by the Company.

[5] Represents post-closing adjustments recorded during the third quarter of 2015.

[6] Includes the impact of non-deductible goodwill disposed of as a result of the sale.