Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) reportable_operating_segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Accounts receivable, reserves	$ 35.5	$ 35.3
Company recorded E&D costs	608.5
Capitalized pre-production E&D costs	298.3	229.7
Capitalized pre-production tooling costs related to customer-owned tools	164.4	174.0
Cash collected related to E&D and tooling costs	448.0	354.6
Depreciation expense	500.6	474.0	$ 447.6
Capital expenditures recorded in accounts payable	147.8	118.4	131.6
Intangible assets gross carrying value	7.5	25.6
Impairment of long-lived assets to be disposed of	4.2	21.3	$ 8.7
Fixed asset impairment charges	$ 7.7	$ 4.6
Percentage of net sales	1.00%	1.00%	1.00%
Contract liabilities	$ 0.0	$ 0.0
Contract liabilities recognized in revenue	$ 0.0	0.0	$ 0.0
Number of reportable operating segments | reportable_operating_segment	2
Impairment loss	$ 1.0	4.0	5.0
Foreign currency transaction losses	24.8	19.9	20.6
Cumulative Effect, Period of Adoption, Adjustment
Restructuring Cost and Reserve [Line Items]
Accounts receivable, reserves	0.8
Cost of sales
Restructuring Cost and Reserve [Line Items]
Company recorded E&D costs	139.5	135.0	138.2
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Company recorded E&D costs	170.7	$ 192.3	$ 178.4
Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Company recorded E&D costs	13.5
Seating Operating Segment
Restructuring Cost and Reserve [Line Items]
Company recorded E&D costs	$ 327.3
Company recorded E&D cost related to sale rate	2.00%
Seating Operating Segment | Disposal Group, Held-for-sale, Not Discontinued Operations
Restructuring Cost and Reserve [Line Items]
Property held for sale	$ 2.6
E-Systems
Restructuring Cost and Reserve [Line Items]
Company recorded E&D costs	$ 267.7
Company recorded E&D cost related to sale rate	6.00%
Impairment of intangible assets	$ 8.5
E-Systems | Disposal Group, Held-for-sale, Not Discontinued Operations
Restructuring Cost and Reserve [Line Items]
Property held for sale	$ 17.5