Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated OCI (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net unrecognized losses and prior service credits	$ (6.5)	$ (6.8)
Interest expense	12.7	13.1
Income tax expense	62.6	57.6
Amounts reclassified from Accumulated OCI, Net of tax	(3.9)	(4.2)
Reclassification out of AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Accumulated OCI, Net of tax	(3.9)	(4.2)
Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Accumulated OCI, Net of tax	0.3	0.1
Cash Flow Hedges [Member] | Reclassification out of AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Accumulated OCI, Net of tax	0.3	0.1
Defined Benefit Pension and Postretirement Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from Accumulated OCI, Net of tax	(4.2)	(4.3)
Defined Benefit Pension and Postretirement Plans [Member] | Reclassification out of AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net unrecognized losses and prior service credits	(6.5)	(6.8)
Income tax expense	2.3	2.5
Amounts reclassified from Accumulated OCI, Net of tax	(4.2)	(4.3)
Treasury Locks [Member] | Cash Flow Hedges [Member] | Reclassification out of AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 0.3	$ 0.1