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Industry Segment and Geographic Area Data (Table Text Block) | 3 Months Ended
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Jun. 30, 2013
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, 2013 |  |  |  |  |  |
Total revenues | $ | 703,963 | $ | 42,868 | $ | 746,831
Depreciation and amortization, net of (gains) losses on disposals |  | 59,170 |  | 1,947 |  | 61,117
Interest expense |  | 23,186 |  | 142 |  | 23,328
Pretax earnings |  | 171,756 |  | 7,292 |  | 179,048
Income tax expense |  | 64,148 |  | 1,932 |  | 66,080
Identifiable assets |  | 5,425,667 |  | 153,095 |  | 5,578,762
Quarter ended June 30, 2012 |  |  |  |  |  |
Total revenues | $ | 626,183 | $ | 41,493 | $ | 667,676
Depreciation and amortization, net of (gains) losses on disposals |  | 56,963 |  | 1,973 |  | 58,936
Interest expense |  | 23,339 |  | 152 |  | 23,491
Pretax earnings |  | 119,384 |  | 8,004 |  | 127,388
Income tax expense |  | 44,698 |  | 2,121 |  | 46,819
Identifiable assets |  | 4,690,153 |  | 148,683 |  | 4,838,836

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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=6534315&loc=d3e9038-108599 + Details
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