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Commitments and Contingencies - Summary of Product Warranty Accrual Activity (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Dec. 29, 2012
Commitments and Contingencies Disclosure [Abstract]      
Beginning of year $ 17.0us-gaap_ProductWarrantyAccrual $ 18.9us-gaap_ProductWarrantyAccrual $ 18.6us-gaap_ProductWarrantyAccrual
Additions 14.6us-gaap_ProductWarrantyAccrualWarrantiesIssued 9.3us-gaap_ProductWarrantyAccrualWarrantiesIssued 10.4us-gaap_ProductWarrantyAccrualWarrantiesIssued
Usage (14.3)us-gaap_ProductWarrantyAccrualPayments (11.2)us-gaap_ProductWarrantyAccrualPayments (10.1)us-gaap_ProductWarrantyAccrualPayments
End of year $ 17.3us-gaap_ProductWarrantyAccrual $ 17.0us-gaap_ProductWarrantyAccrual $ 18.9us-gaap_ProductWarrantyAccrual