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Capital Stock - Narrative (Details)		1 Months Ended			3 Months Ended													12 Months Ended			37 Months Ended
	Mar. 20, 2023 $ / shares	Feb. 28, 2023 $ / shares	Jun. 30, 2020 USD ($) $ / shares shares	Sep. 30, 2019 $ / shares	Dec. 31, 2022 USD ($) vote $ / shares shares	Sep. 30, 2022 $ / shares	Jun. 30, 2022 $ / shares	Mar. 31, 2022 $ / shares	Dec. 31, 2021 $ / shares shares	Sep. 30, 2021 $ / shares	Jun. 30, 2021 $ / shares	Mar. 31, 2021 $ / shares	Dec. 31, 2020 $ / shares	Sep. 30, 2020 $ / shares	Jun. 30, 2020 $ / shares shares	Mar. 31, 2020 $ / shares	Sep. 30, 2019 $ / shares	Dec. 31, 2022 USD ($) vote $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares	May 31, 2021 USD ($) shares	May 31, 2022 USD ($)
Dividends Payable [Line Items]
Authorized share capital (in shares) | shares					233,333,000				233,333,000									233,333,000	233,333,000
Number of votes per share | vote					1													1
Shareholder ownership threshold for voting rights																		9.50%
Maximum number of votes per share for certain shareholders under 9.5% shareholder provision | vote					1													1
Minimum number of votes per share for other shareholders under 9.5% shareholder provision | vote					1													1
Common shares, issued (in shares) | shares			13,800,000		107,683,000				109,377,000						13,800,000			107,683,000	109,377,000
Share price (in dollars per share) | $ / shares			$ 33.25												$ 33.25
Net proceeds from sale of stock			$ 440,000,000															$ 0	$ 0	$ 439,962,000
Quarterly cash dividends declared (in dollars per share) | $ / shares					$ 0.23	$ 0.22	$ 0.21	$ 0.20	$ 0.19	$ 0.18	$ 0.17	$ 0.16	$ 0.16	$ 0.16	0.16	$ 0.16	$ 0.15	$ 0.86	$ 0.70	$ 0.64
Quarterly cash dividends paid (in dollars per share) | $ / shares				$ 0.15	$ 0.23	$ 0.22	$ 0.21	$ 0.20	$ 0.19	$ 0.18	$ 0.17	$ 0.16	$ 0.16	$ 0.16	$ 0.16	$ 0.16		$ 0.86	$ 0.70	$ 0.64
Share Repurchase Plan 2021
Dividends Payable [Line Items]
Share repurchase approved amount																					$ 250,000,000
Stock repurchased (in shares) | shares																		2,136,961			3,469,560
Shares acquired and cancelled																		$ 92,200,000			$ 157,800,000
Remaining authorized repurchase amount																					$ 92,200,000
Share Repurchase Plan 2022
Dividends Payable [Line Items]
Share repurchase approved amount																						$ 250,000,000
Stock repurchased (in shares) | shares																		0
Remaining authorized repurchase amount					$ 250,000,000													$ 250,000,000
Forecast
Dividends Payable [Line Items]
Quarterly cash dividends declared (in dollars per share) | $ / shares		$ 0.25
Quarterly cash dividends paid (in dollars per share) | $ / shares	$ 0.25

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