Accumulated Other Comprehensive Income (Loss) - Summary of Impact of Accumulated Other Comprehensive Income (Loss) on Statement of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	$ 791,317	$ 752,202	$ 2,313,728	$ 2,039,996
Selling, delivery and administrative expenses	375,940	372,852	1,152,183	1,056,446
Subtotal pre-tax	(43,443)	(30,659)	(14,027)	(33,875)
Income tax expense	16,493	11,748	3,387	11,800
Total after tax effect	(25,164)	(17,316)	(7,046)	(18,613)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	223	150	667	433
Selling, delivery and administrative expenses	752	578	2,252	1,752
Subtotal pre-tax	975	728	2,919	2,185
Income tax expense	241	281	720	842
Total after tax effect	734	447	2,199	1,343
Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign Currency Translation Adjustment [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Selling, delivery and administrative expenses	(2)	11	(10)	37
Subtotal pre-tax	(2)	11	(10)	37
Income tax expense	(1)	4	(3)	14
Total after tax effect	(1)	7	(7)	23
Net Pension Activity [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	217	171	648	497
Selling, delivery and administrative expenses	723	643	2,170	1,945
Subtotal pre-tax	940	814	2,818	2,442
Income tax expense	233	314	696	942
Total after tax effect	707	500	2,122	1,500
Net Postretirement Benefits Activity [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	6	(21)	19	(64)
Selling, delivery and administrative expenses	31	(76)	92	(230)
Subtotal pre-tax	37	(97)	111	(294)
Income tax expense	9	(37)	27	(114)
Total after tax effect	$ 28	$ (60)	$ 84	$ (180)