Fair Value of Assets and Liabilities - Summary of Liabilities Recorded at Carrying Value (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Senior Notes Due 2024 [Member]
Fair value and carrying value of the Company's debt instruments
Senior Notes Noncurrent Fair Value	$ 401.0	$ 400.0
Senior Notes, Noncurrent	400.0	400.0
SeniorNotesDue2025USD
Fair value and carrying value of the Company's debt instruments
Senior Notes Noncurrent Fair Value	745.5	778.8
Senior Notes, Noncurrent	700.0	700.0
Senior Notes Due 2025 EUR
Fair value and carrying value of the Company's debt instruments
Senior Notes Noncurrent Fair Value	423.7	466.0
Senior Notes, Noncurrent	$ 396.4	$ 429.5