Leases - Maturities (Details) $ in Millions	Sep. 29, 2019 USD ($)
Operating leases maturities:
2019 (excluding the nine months ended September 30, 2019)	$ 2.7
2020	10.7
2021	6.6
2022	4.5
2023	3.4
Thereafter	18.2
Total undiscounted minimum lease payments	46.1
Less imputed interest	6.8
Total lease liabilities	39.3
Current lease liabilities (included in other current liabilities)	10.1
Non-Current lease liabilities (included in other non-current liabilities)	29.2
Finance leases maturities:
2019 (excluding the six months ended June 30, 2019)	0.5
2020	1.8
2021	1.0
2022	0.6
2023	0.3
Thereafter	0.1
Total undiscounted minimum lease payments	4.3
Less imputed interest	0.2
Total lease liabilities	4.1
Current lease liabilities (included in other current liabilities)	1.7
Non-Current lease liabilities (included in other non-current liabilities)	$ 2.4