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Accounting Policies (Tables)
 12 Months Ended
Dec. 29, 2017
Accounting Policies [Abstract]  
Schedule Of Changes In Product Warranty Liability
Changes in the Company’s product warranty liability during the fiscal years ended 2017 and 2016 are as follows:
 
Fiscal Years
2017
 
2016
(In millions)
 
 
 
Beginning balance
$
17.2

 
$
18.5

Acquired warranties
0.5

 
(0.2
)
Accruals for warranties issued
20.4

 
18.3

Changes in estimates
(0.8
)
 
0.3

Warranty settlements (in cash or in kind)
(19.0
)
 
(19.7
)
Ending Balance
$
18.3

 
$
17.2