Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2020

Derivative Instrument Detail [Abstract]

Summary of Gains (Losses) Related to Assets and Liabilities Denominated in Foreign Currencies

The following net gains related to assets and liabilities denominated in non-U.S. dollars are included within "Transaction and operations support" in the Consolidated Statements of Operations and within "Net cash provided by operating activities" in the Consolidated Statements of Cash Flows:

(Amounts in millions)	2020		2019		2018
Net realized non-U.S. dollar gain (loss)	$	26.6	$	(7.4)	$	(5.8)
Net (loss) gain from the related forward contracts	(11.9)		11.2		10.2
Net gains from non-U.S. dollar transactions and related forward contracts	$	14.7	$	3.8	$	4.4

Fair Values of Derivative Forward Contract Instruments

As of December 31, 2020 and 2019, the Company reflects the following fair values of derivative forward contract instruments in its Consolidated Balance Sheets:

		Gross Amount of Recognized Assets				Gross Amount of Offset				Net Amount of Assets Presented in the Consolidated Balance Sheets
(Amounts in millions)	Balance Sheet Location	2020		2019		2020		2019		2020		2019
Forward contracts	Other assets	$	1.0	$	0.2	$	(0.9)	$	(0.2)	$	0.1	$	—

		Gross Amount of Recognized Liabilities				Gross Amount of Offset				Net Amount of Liabilities Presented in the Consolidated Balance Sheets
(Amounts in millions)	Balance Sheet Location	2020		2019		2020		2019		2020		2019
Forward contracts	Accounts payable and other liabilities	$	3.1	$	1.0	$	(0.9)	$	(0.2)	$	2.2	$	0.8