Debt (Tables)

9 Months Ended

Sep. 30, 2023

Debt Disclosure [Abstract]

Schedule of Debt

			Carrying amount
	Weighted Average Interest Rate % 1		September 30, 2023		December 31, 2022
Short-term debt			$	4.7	$	29.1
Long-term debt:
Term loans (maturing September 2026):
DDTL Facility loan denominated in Canadian dollars, secured	5.86	%	—		85.5
Term Loan A Facility loan denominated in Canadian dollars, secured ("CAD TLA Facility")	7.83	%	82.1		—
Term Loan A Facility loan denominated in US dollars, secured ("USD TLA Facility")	7.87	%	1,725.0		—
Less: unamortized debt issuance costs			(16.8)		(0.4)
Senior secured and unsecured notes:
5.375% Senior unsecured notes due in January 2025 (the "2016 Notes")			—		500.0
Less: unamortized debt issuance costs			—		(3.6)
6.75% Senior secured notes due in March 2028 (the "2023 Secured Notes")			550.0		—
Less: unamortized debt issuance costs			(7.2)		—
7.75% Senior unsecured notes due in March 2031 (the "2023 Unsecured Notes")			800.0		—
Less: unamortized debt issuance costs			(10.9)		—
Total long-term debt			3,122.2		581.5
Total debt			$	3,126.9	$	610.6
Long-term debt:
Current portion			$	41.2	$	4.4
Non-current portion			3,081.0		577.1
Total long-term debt			$	3,122.2	$	581.5

1 The weighted average interest rate reflects the rate at the end of the period for the debt outstanding