Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Goodwill And Intangible Assets [Line Items]
Indefinite-lived intangible assets and goodwill Impairment charges	$ 139.1
Amortization expense	17.5	$ 17.8
Estimated amortization expense, remainder of 2020	52.6
Estimated amortization expense, year 2021	70.7
Estimated amortization expense, year 2022	70.7
Estimated amortization expense, year 2023	70.7
Estimated amortization expense, year 2024	70.7
Estimated amortization expense, thereafter	858.6
Jacobs Vehicle Systems [Member]
Goodwill And Intangible Assets [Line Items]
Reporting unit, percentage of fair value in excess of carrying amount			10.00%
Non-cash impairment charges	8.4
Indefinite-lived intangible assets and goodwill Impairment charges	$ 139.1
All Other Reporting Units [Member]
Goodwill And Intangible Assets [Line Items]
Reporting unit, percentage of fair value in excess of carrying amount			10.00%