Condensed Consolidated Statements of Changes in Temporary Equity and Equity - USD ($) $ in Millions	Common stock	Additional paid-In capital ("APIC")	Retained earnings	Accumulated other comprehensive loss	Non- controlling interest ("NCI")	Series A Senior Preferred Shares [Member]	Redeemable Non-controlling Interest [Member]	Total
Balance at Dec. 31, 2021	$ 227.5	$ 59.5	$ 839.6	$ (56.0)	$ 0.4			$ 1,071.1
Balance, shares at Dec. 31, 2021	110,618,049
Increase (Decrease) in Equity
Net (loss) income			178.1		0.0			178.1
Other comprehensive income (loss)				(1.2)				(1.2)
Total comprehensive (loss) income			178.1	(1.2)	0.0			176.9
Stock option exercises	$ 1.2	(0.2)						1.0
Stock option exercises, shares	24,248
Issuance of common stock related to vesting of share units	$ 2.4	(5.9)						(3.5)
Issuance of common stock related to vesting of share units, shares	92,946
Share based continuing employment costs related to business combinations		2.1						2.1
Stock option compensation expense		2.6						2.6
Equity-classified share unit expense		2.9						2.9
Equity-classified share units dividend equivalents		0.1	(0.1)
Cash dividends paid			(27.7)					(27.7)
Balance at Mar. 31, 2022	$ 231.1	61.1	989.9	(57.2)	0.4			1,225.4
Balance, shares at Mar. 31, 2022	110,735,243
Balance at Dec. 31, 2022	$ 246.3	85.3	1,043.2	(85.1)	0.5			1,290.1
Balance, shares at Dec. 31, 2022	110,881,363
Increase (Decrease) in Equity
Net (loss) income			(28.1)					(28.1)
Other comprehensive income (loss)				15.1				15.1
Total comprehensive (loss) income			(28.1)	15.1				(13.0)
Stock option exercises	$ 0.8	(0.1)						0.7
Stock option exercises, shares	19,277
Issuance of common stock related to vesting of share units	$ 8.9	(21.3)						(12.4)
Issuance of common stock related to vesting of share units, shares	296,905
Issuance of common stock related to business combination	$ 3,713.2							3,713.2
Issuance of common stock related to business combination, shares	70,339,723
Share based continuing employment costs related to business combinations	$ 0.3	0.5						0.8
Replacement of share-based awards in business combination		13.1						13.1
Stock option compensation expense		2.6						2.6
Equity-classified share unit expense		8.3						8.3
Equity-classified share units dividend equivalents		0.4	(0.4)
NCI acquired in a business combination					1.8			1.8
Issuance of common stock, net of issuance costs	$ 15.0							15.0
Issuance of common stock, net of issuance costs, shares	251,163
Participating dividends on Series A Senior Preferred Shares			(1.8)					(1.8)
Cumulative 5.5% dividends on Series A Senior Preferred Shares			(4.3)					(4.3)
Cash dividends paid			(150.4)					(150.4)
Balance at Mar. 31, 2023	$ 3,984.5	$ 88.8	$ 858.2	$ (70.0)	$ 2.3			$ 4,863.8
Balance, shares at Mar. 31, 2023	181,788,431
Balance, shares at Dec. 31, 2022								0
Increase (Decrease) in Temporary Equity
Net loss							$ (0.1)
Total comprehensive (loss) income							(0.1)
NCI acquired in business combination							8.9
Issuance of Series A Senior Preferred Shares, net of issuance costs						$ 482.0
Issuance of Series A Senior Preferred Shares, net of issuance costs, shares						485,000,000
Balance, shares at Mar. 31, 2023						485,000,000		485,000,000
Balance at Mar. 31, 2023						$ 482.0	$ 8.8