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Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated OCI (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Amortization of net unrecognized losses and prior service credits $ (30.1) $ (38.0) $ (22.0)
Interest expense 52.2 51.9 52.9
Income tax expense 244.3 221.2 $ 199.5
Amounts reclassified from Accumulated OCI, Net of tax (18.7) (23.7)  
Reclassification out of AOCI [Member]      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Amounts reclassified from Accumulated OCI, Net of tax (18.7) (23.7)  
Cash Flow Hedges [Member]      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Amounts reclassified from Accumulated OCI, Net of tax 0.3 0.3  
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 0.3  
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 (19.0) (24.0)  
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 (30.1) (38.0)  
Income tax expense 11.1 14.0  
Amounts reclassified from Accumulated OCI, Net of tax (19.0) (24.0)  
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 $ 0.3