Changes in Accumulated Other Comprehensive Loss - Schedule of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BEGINNING BALANCE			$ 2,537,650
ENDING BALANCE	$ 2,745,184		2,745,184
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
BEGINNING BALANCE	(116,826)	$ (90,621)	(119,363)	$ (74,378)
Amounts reclassified from Other comprehensive loss, before tax	1,736	2,837	5,883	(13,406)
Income tax provision (benefit)	677	(5,199)	2,287	(5,199)
Current period comprehensive income (loss), net of tax	1,059	8,036	3,596	(8,207)
ENDING BALANCE	(115,767)	(82,585)	(115,767)	(82,585)
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	37	41	109	123
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	699	2,046	2,774	6,138
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	1,000	750	3,000	2,250
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)
AOCI Attributable to Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
ENDING BALANCE	(113,322)	$ (82,585)	(113,322)	$ (82,585)
Interest Rate Swap [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before income tax	4,002		4,002
Income tax provision	1,557		1,557
Current period comprehensive income (loss), net of tax	2,445		2,445
ENDING BALANCE	2,445		2,445
Change in fair value of interest rate swaps	3,091		3,091
Interest Rate Swap [Member] | Interest Expense - Net [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Other comprehensive loss, before tax	$ 911		$ 911