Accumulated Other Comprehensive Income (Loss) - Summary of Impact of Accumulated Other Comprehensive Income (Loss) on Income Statement (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2017	Apr. 03, 2016
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	$ 533,681	$ 381,558
Selling, delivery and administrative expenses	318,413	231,497
Subtotal pre-tax	(8,108)	(14,111)
Income tax expense	(3,691)	(5,078)
Total after tax effect	(5,051)	(10,041)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	135	37
Selling, delivery and administrative expenses	585	473
Subtotal pre-tax	720	510
Income tax expense	278	197
Total after tax effect	442	313
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	4	15
Subtotal pre-tax	4	15
Income tax expense	2	5
Total after tax effect	2	10
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	155	75
Selling, delivery and administrative expenses	659	673
Subtotal pre-tax	814	748
Income tax expense	314	289
Total after tax effect	500	459
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	(20)	(38)
Selling, delivery and administrative expenses	(78)	(215)
Subtotal pre-tax	(98)	(253)
Income tax expense	(38)	(97)
Total after tax effect	$ (60)	$ (156)