Restructuring Liabilities (Tables)

12 Months Ended

Dec. 30, 2017

Restructuring And Related Activities [Abstract]

Summary of Changes in Restructuring Liabilities

The following table summarizes the changes in the restructuring liabilities for the last three fiscal years (in thousands):

	Severance			Facility
	and Related			Closing
	Costs			Costs			Total
Balance at December 27, 2014	$	56,450		$	431		$	56,881
Current period charges		175,749			36			175,785
Change in estimate		(4,196	)		—			(4,196	)
Payments and usage—net of accretion		(109,369	)		(257	)		(109,626	)
Balance at January 2, 2016		118,634			210			118,844
Current period charges		71,514			2,563			74,077
Change in estimate		(21,004	)		267			(20,737	)
Payments and usage—net of accretion		(146,548	)		(2,175	)		(148,723	)
Balance at December 31, 2016		22,596			865			23,461
Current period charges		6,968			—			6,968
Change in estimate		(5,007	)		(256	)		(5,263	)
Payments and usage—net of accretion		(19,722	)		(109	)		(19,831	)
Balance at December 30, 2017	$	4,835		$	500		$	5,335