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Industry Segment and Geographic Area Data (Table Text Block) | 12 Months Ended
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Mar. 31, 2015
Geographic Areas, Long-Lived Assets [Abstract] |
Industry Segment and Geographic Area Data |
|  | United States |  | Canada |  | Consolidated
|  | (All amounts are in thousands U.S. $'s)
Fiscal Year Ended March 31, 2015 |  |  |  |  |  |
Total revenues | $ | 2,916,027 | $ | 158,504 | $ | 3,074,531
Depreciation and amortization, net of (gains) losses on disposal |  | 292,345 |  | 5,481 |  | 297,826
Interest expense |  | 96,979 |  | 546 |  | 97,525
Pretax earnings |  | 541,371 |  | 20,047 |  | 561,418
Income tax expense |  | 199,444 |  | 5,233 |  | 204,677
Identifiable assets |  | 6,685,572 |  | 186,603 |  | 6,872,175
|  | United States |  | Canada |  | Consolidated
|  | (All amounts are in thousands U.S. $'s)
Fiscal Year Ended March 31, 2014 |  |  |  |  |  |
Total revenues | $ | 2,681,800 | $ | 153,452 | $ | 2,835,252
Depreciation and amortization, net of (gains) losses on disposal |  | 272,236 |  | 7,358 |  | 279,594
Interest expense |  | 92,128 |  | 564 |  | 92,692
Pretax earnings |  | 516,207 |  | 21,315 |  | 537,522
Income tax expense |  | 189,419 |  | 5,712 |  | 195,131
Identifiable assets |  | 5,854,503 |  | 144,475 |  | 5,998,978
|  | United States |  | Canada |  | Consolidated
|  | (All amounts are in thousands U.S. $'s)
Fiscal Year Ended March 31, 2013 |  |  |  |  |  |
Total revenues | $ | 2,409,291 | $ | 149,296 | $ | 2,558,587
Depreciation and amortization, net of (gains) losses on disposal |  | 247,413 |  | 7,959 |  | 255,372
Interest expense |  | 90,137 |  | 559 |  | 90,696
Pretax earnings |  | 389,342 |  | 19,145 |  | 408,487
Income tax expense |  | 138,911 |  | 4,868 |  | 143,779
Identifiable assets |  | 5,160,889 |  | 145,712 |  | 5,306,601

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 + Details
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