Debt (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Summary of Debt Outstanding

Components of Debt

(In millions)	March 31, 2020			December 31, 2019
2018 U.S. dollar term loan, net of unamortized debt issuance costs of $6.9 (2019—$7.2)	$	928.8		$	930.9
Senior notes due 2021, net of unamortized debt issuance costs of $2.3 (2019—$2.7)	697.7			697.3
Senior notes due 2024, net of unamortized debt issuance costs of $2.3 (2019—$2.4)	297.7			297.6
Debt payable to unconsolidated affiliate	47.0			47.4
Other borrowings	7.1			7.2
Total debt	1,978.3			1,980.4
Less debt payable within one year	23.5			23.1
Debt payable after one year	$	1,954.8		$	1,957.3
Weighted average interest rates on total debt	3.7		%	3.8		%

Schedule of Maturities of Long-term Debt

The principal maturities of debt outstanding at March 31, 2020, were as follows:

	(In millions)
2020	$	18.6
2021	717.3
2022	18.7
2023	17.8
2024	313.3
Thereafter	892.6
Total debt	$	1,978.3