Industry Segment and Geographic Area Data (Table Text Block)	3 Months Ended
Jun. 30, 2022
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, 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 427,538 13,518 441,056 Income tax expense 103,613 3,441 107,054 Identifiable assets 17,240,646 590,958 17,831,604 Quarter Ended June 30, 2021 Total revenues $ 1,396,361 $ 76,495 $ 1,472,856 Depreciation and amortization, net of gains on disposal 127,650 (1,540) 126,110 Interest expense 38,128 1,050 39,178 Pretax earnings 437,949 16,801 454,750 Income tax expense 105,302 4,273 109,575 Identifiable assets 14,661,722 453,160 15,114,882

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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