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Shares (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Schedule of common shares

						Common shares						Treasury shares						Common shares, net of treasury shares
Issued and outstanding at December 31, 2021						30,022,928						(1,564,813)						28,458,115
Retired through share purchase program						(2,195,646)						—						(2,195,646)
Purchase of treasury shares						—						(26,012)						(26,012)
Settlement of certain equity classified stock-based compensation						—						184,364						184,364
Issued and outstanding at December 31, 2022						27,827,282						(1,406,461)						26,420,821
Purchase of treasury shares						—						(20,955)						(20,955)
Settlement of certain equity classified stock-based compensation						—						337,229						337,229
Issued and outstanding at December 31, 2023						27,827,282						(1,090,187)						26,737,095

Schedule of net income per share

Year ended December 31,						2023						2022
Net income						$	63,141					$	67,372
Interest from convertible debentures (after tax)						5,925						5,893
Diluted net income available to common shareholders						$	69,066					$	73,265
Weighted-average number of common shares						26,566,846						27,406,140
Weighted-average effect of dilutive securities
Dilutive effect of treasury shares						1,260,436						1,485,275
Dilutive effect of 5.00% convertible debentures						2,148,438						2,095,236
Dilutive effect of 5.50% convertible debentures						3,051,020						3,020,199
Weighted-average number of diluted common shares						33,026,740						34,006,850
Basic net income per share						$	2.38					$	2.46
Diluted net income per share						$	2.09					$	2.15

Schedule of dividends

						Date declared						Per share						Shareholders on record as of						Paid or payable to shareholders						Total paid or payable
Q1 2022						February 15, 2022						$	0.08					March 4, 2022						April 8, 2022						$	2,277
Q2 2022						April 26, 2022						$	0.08					May 27, 2022						July 8, 2022						$	2,232
Q3 2022						July 26, 2022						$	0.08					August 31, 2022						October 7, 2022						$	2,127
Q4 2022						October 25, 2022						$	0.08					November 30, 2022						January 6, 2023						$	2,098
Q1 2023						February 14, 2023						$	0.10					March 3, 2023						April 6, 2023						$	2,621
Q2 2023						April 25, 2023						$	0.10					May 26, 2023						July 7, 2023						$	2,641
Q3 2023						July 25, 2023						$	0.10					August 31, 2023						October 6, 2023						$	2,674
Q4 2023						October 31, 2023						$	0.10					November 30, 2023						January 5, 2024						$	2,674

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Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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