Operating (Gains), Losses and Other Charges, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2016	Sep. 30, 2015	Sep. 28, 2016		Sep. 30, 2015	Dec. 30, 2015
Other Income and Expenses [Abstract]
Pension settlement loss, pre-tax	$ 0	$ 0	$ 24,297	[1]	$ 0
Gains on sales of assets and other, net	(77)	(23)	(764)		(43)
Restructuring charges and exit costs	326	332	832		1,094
Impairment charges	0	577	0		671
Operating (gains), losses and other charges, net	249	886	24,365		1,722
Restructuring Charges [Abstract]
Exit costs	154	43	269	[2]	583
Severance and other restructuring charges	172	289	563		511
Total restructuring charges and exit costs	326	332	832		1,094
Restructuring Reserve [Roll Forward]
Balance, December 30, 2015			2,043
Exit costs	154	$ 43	269	[2]	$ 583
Payments, net of sublease receipts			(378)
Interest accretion			91
Balance, September 28, 2016	2,025		2,025
Less current portion included in other current liabilities	748		748
Long-term portion included in other noncurrent liabilities	1,277		1,277
Accrued severance and other restructuring charges	$ 300		$ 300			$ 400

[1] Before-tax amount related to the liquidation of our Pension Plan that was reclassified from accumulated other comprehensive loss and included as a component of operating (gains), losses and other charges, net in our Condensed Consolidated Statements of Income during the three quarters ended September 28, 2016. See Note 9 for additional details.

[2] Included as a component of operating (gains), losses and other charges, net.