Changes in Accumulated Other Comprehensive Loss - Schedule of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BEGINNING BALANCE			$ 2,537,650
ENDING BALANCE	$ 2,633,458		2,633,458
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BEGINNING BALANCE	(118,706)	$ (71,745)	(119,363)	$ (74,378)
Amounts reclassified from Other comprehensive loss, before tax	3,073	(18,876)	4,147	(16,243)
Income tax provision	1,193		1,610
Current period comprehensive income (loss), net of tax	1,880	(18,876)	2,537	(16,243)
ENDING BALANCE	(116,826)	(90,621)	(116,826)	(90,621)
Accumulated Defined Benefit Plans Adjustment, Amortization Net Prior Service Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Other comprehensive loss, before tax	36	41	72	82
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Other comprehensive loss, before tax	1,037	2,250	2,075	4,092
Accumulated Defined Benefit Plans Adjustment Settlement Curtailment Gain Loss Net Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Other comprehensive loss, before tax	$ 2,000	750	$ 2,000	1,500
Accumulated Defined Benefit Plans Adjustment, Prior Period Correction Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Other comprehensive loss, before tax		$ (21,917)		$ (21,917)