Changes in Accumulated Other Comprehensive Loss - Schedule of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BEGINNING BALANCE	$ 1,873,177	$ 1,622,032	$ 1,843,764
ENDING BALANCE	2,537,650	1,873,177	1,622,032
AOCI Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BEGINNING BALANCE	(74,378)	(158,041)	(2,679)
ENDING BALANCE	(119,363)	(74,378)	(158,041)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BEGINNING BALANCE	(74,378)	(158,041)	(2,679)
Other comprehensive loss before reclassifications	(64,470)	(2,136)	(161,331)
Amounts reclassified from Other comprehensive loss, before tax	(73,553)	83,663	(155,362)
Income tax benefit	28,568
Current period comprehensive (loss) income, net of tax	(44,985)	83,663	(155,362)
ENDING BALANCE	(119,363)	(74,378)	(158,041)
Accumulated Defined Benefit Plans Adjustment, 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		(1,291)	3,612
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	163	133	(136)
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	8,184	10,408	2,219
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	4,487	3,358	2,370
Accumulated Defined Benefit Plans Adjustment Curtailment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Other comprehensive loss, before tax		$ 73,191	$ (2,096)
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)