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Industry Segment and Geographic Area Data (Table Text Block) | 3 Months Ended
--- | ---
Jun. 30, 2015 | Jun. 30, 2014
Geographic Areas, Long-Lived Assets [Abstract] |  |
Industry Segment and Geographic Area Data |
|  | United States |  | Canada |  | Consolidated
|  | (Unaudited)
|  | (All amounts are in thousands U.S. $'s)
Quarter Ended June 30, 2015 |  |  |  |  |  |
Total revenues | $ | 841,463 | $ | 43,342 | $ | 884,805
Depreciation and amortization, net of (gains) losses on disposal |  | 56,739 |  | (979) |  | 55,760
Interest expense |  | 21,989 |  | 111 |  | 22,100
Pretax earnings |  | 259,127 |  | 9,881 |  | 269,008
Income tax expense |  | 95,095 |  | 2,628 |  | 97,723
Identifiable assets |  | 6,874,093 |  | 216,541 |  | 7,090,634
|  | United States |  | Canada |  | Consolidated
|  | (Unaudited)
|  | (All amounts are in thousands U.S. $'s)
Quarter En ded June 30, 2014 |  |  |  |  |  |
Total revenues | $ | 773,043 | $ | 45,912 | $ | 818,955
Depreciation and amortization, net of (gains) losses on disposal |  | 64,040 |  | 1,195 |  | 65,235
Interest expense |  | 24,019 |  | 129 |  | 24,148
Pretax earnings |  | 186,907 |  | 8,144 |  | 195,051
Income tax expense |  | 68,419 |  | 2,158 |  | 70,577
Identifiable assets |  | 6,358,303 |  | 170,379 |  | 6,528,682

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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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