Leases - Balance Sheet Location of Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 02, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease assets	$ 170.6	$ 154.7
Finance leases	29.5	29.8
Right-of-Use Asset	200.1	184.5
Operating lease liability, current	27.2	28.3
Finance lease liability, current	5.1	6.7
Operating lease liability, noncurrent	148.9	132.5
Finance lease liability, noncurrent	22.1	20.2
Present value of lease liabilities	203.3	187.7
Total operating lease liabilities	176.1	160.8
Total finance lease liabilities	$ 27.2	$ 26.9
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other non-current assets	Other non-current assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current indebtedness	Current indebtedness
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other non-current liabilities	Other non-current liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Long-term debt, less current portion	Long-term debt, less current portion
Unallocated
Lessee, Lease, Description [Line Items]
Operating lease assets	$ 39.4	$ 44.4
Finance leases	5.5	7.2
Total operating lease liabilities	43.4	49.8
Total finance lease liabilities	5.6	7.4
CSCA | Operating Segments
Lessee, Lease, Description [Line Items]
Operating lease assets	100.8	75.9
Finance leases	15.7	16.7
Total operating lease liabilities	101.3	75.8
Total finance lease liabilities	16.4	17.0
CSCI | Operating Segments
Lessee, Lease, Description [Line Items]
Operating lease assets	30.4	34.4
Finance leases	8.3	5.9
Total operating lease liabilities	31.4	35.2
Total finance lease liabilities	$ 5.2	$ 2.5