Industry Segment and Geographic Area Data (Table Text Block)	3 Months Ended
Jun. 30, 2023
Geographic Areas, Long-Lived Assets [Abstract]
Industry Segment and Geographic Area Data	United States Canada Consolidated (Unaudited) (All amounts are in thousands of U.S. $'s) Quarter Ended June 30, 2023 Total revenues $ 1,461,284 $ 79,024 $ 1,540,308 Depreciation and amortization, net of gains on disposal 148,313 (1,433) 146,880 Interest expense 59,946 652 60,598 Pretax earnings 327,072 11,623 338,695 Income tax expense 78,595 3,262 81,857 Identifiable assets 17,892,739 721,295 18,614,034 Quarter Ended June 30, 2022 Total revenues $ 1,510,386 $ 87,454 $ 1,597,840 Depreciation and amortization, net of gains on disposal 120,986 2,789 123,775 Interest expense 48,948 851 49,799 Pretax earnings 431,881 13,518 445,399 Income tax expense 103,613 3,441 107,054 Identifiable assets 17,202,853 590,958 17,793,811

Tabular disclosure of the names of foreign countries in which material long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets are located, and amount of such long-lived assets located in that country or foreign geographic area.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599

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