Receivables - Finance and Contract Receivables Allowance for Credit Losses Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Finance Receivables
Allowances for credit losses:
Beginning of period	$ 75.3	$ 69.2	$ 76.3	$ 61.9
Impact of adopting ASU No. 2016-13		0.0		5.2
Provision for credit losses	6.6	15.1	17.9	31.4
Charge-offs	(12.4)	(14.2)	(27.3)	(30.1)
Recoveries	2.8	2.2	5.4	4.2
Currency translation	0.0	0.2	0.0	(0.1)
End of period	72.3	72.5	72.3	72.5
Contract Receivables
Allowances for credit losses:
Beginning of period	9.2	8.6	9.0	5.6
Impact of adopting ASU No. 2016-13		0.0		2.9
Provision for credit losses	0.1	1.2	0.8	2.6
Charge-offs	(0.5)	(0.9)	(1.1)	(2.2)
Recoveries	0.2	0.2	0.3	0.2
Currency translation	0.0	0.0	0.0	0.0
End of period	$ 9.0	$ 9.1	$ 9.0	$ 9.1