Accumulated Other Comprehensive Loss - Summary of Impact of Accumulated Other Comprehensive Income (Loss) on Income Statement (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2016	Mar. 29, 2015
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	$ 381,558	$ 268,880
Selling, delivery and administrative expenses	231,497	167,471
Subtotal pre-tax	14,111	(4,466)
Income tax expense	(5,078)	1,513
Total after tax effect	10,041	(2,224)
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	37	65
Selling, delivery and administrative expenses	458	617
Subtotal pre-tax	495	682
Income tax expense	192	264
Total after tax effect	303	418
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	75	81
Selling, delivery and administrative expenses	673	724
Subtotal pre-tax	748	805
Income tax expense	289	311
Total after tax effect	459	494
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	(38)	(16)
Selling, delivery and administrative expenses	(215)	(107)
Subtotal pre-tax	(253)	(123)
Income tax expense	(97)	(47)
Total after tax effect	$ (156)	$ (76)