Goodwill and Intangibles - Goodwill (Details) $ in Millions	9 Months Ended	12 Months Ended	21 Months Ended
	Sep. 26, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Sep. 26, 2021 USD ($) item
Gross Balance
Balance at the beginning of the period	$ 769.5	$ 748.2	$ 748.2
Acquired During the Period		9.4
Foreign Currency Translation and Other	(5.9)	11.9
Balance at the end of the period	763.6	769.5	763.6
Accumulated Impairment Losses
Balance at the beginning of the period	(167.1)	(167.1)	(167.1)
Balance at the end of the period	(167.1)	(167.1)	(167.1)
Net Goodwill	$ 596.5	602.4	$ 596.5
Number of reporting units | item	7		7
Americas
Gross Balance
Balance at the beginning of the period	$ 482.5	476.8	$ 476.8
Acquired During the Period		5.5
Foreign Currency Translation and Other		0.2
Balance at the end of the period	482.5	482.5	482.5
Accumulated Impairment Losses
Balance at the beginning of the period	(24.5)	(24.5)	(24.5)
Balance at the end of the period	(24.5)	(24.5)	(24.5)
Net Goodwill	458.0	458.0	458.0
Europe
Gross Balance
Balance at the beginning of the period	252.1	241.4	241.4
Foreign Currency Translation and Other	(5.4)	10.7
Balance at the end of the period	246.7	252.1	246.7
Accumulated Impairment Losses
Balance at the beginning of the period	(129.7)	(129.7)	(129.7)
Balance at the end of the period	(129.7)	(129.7)	(129.7)
Net Goodwill	117.0	122.4	117.0
APMEA
Gross Balance
Balance at the beginning of the period	34.9	30.0	30.0
Acquired During the Period		3.9
Foreign Currency Translation and Other	(0.5)	1.0
Balance at the end of the period	34.4	34.9	34.4
Accumulated Impairment Losses
Balance at the beginning of the period	(12.9)	(12.9)	(12.9)
Balance at the end of the period	(12.9)	(12.9)	(12.9)
Net Goodwill	$ 21.5	$ 22.0	$ 21.5