Comprehensive Income and Accumulated Other Comprehensive Income (Loss) - Summary of Effects of Reclassifications from Accumulated Other Comprehensive Income (Loss) (Detail) $ in Thousands	3 Months Ended
	Apr. 02, 2017 USD ($)
Pension and Other Postretirement Benefit Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total net of tax	$ 368
Reclassification out of Accumulated Other Comprehensive Income [Member] | Actuarial losses [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	610
Reclassification out of Accumulated Other Comprehensive Income [Member] | Prior service credit [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	11
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension and Other Postretirement Benefit Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	599
Tax benefit	(231)
Total net of tax	$ (368)