Commitments and Contingencies (Tables)
 9 Months Ended
Oct. 01, 2016
Commitments and Contingencies Disclosure [Abstract]  
Product warranty liabilities
The following activity related to product warranty liabilities was recorded in Accrued expenses during the nine months ended October 1, 2016 and October 3, 2015:
(in millions)
October 1,
2016
 
October 3,
2015
Balance at beginning of period
$
106.3

 
$
110.6

Payments made
(50.7
)
 
(43.8
)
Provisions/additions for contracts issued/sold
55.6

 
51.5

Aggregate changes for preexisting warranties
(8.1
)
 
(10.8
)
Foreign currency translation
0.8

 
(2.8
)
Acquisitions
6.7

 
—

Balance at end of period
$
110.6

 
$
104.7