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Fixed Assets (Notes) | 12 Months Ended
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Dec. 31, 2017
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment Disclosure [Text Block] | Fixed Assets Fixed assets at December 31 consisted of the following:
(in thousands) | 2017 |  | 2016
Furniture, fixtures and equipment | $ | 190,784 |  |  | $ | 177,823 |
Leasehold improvements | 35,481 |  |  | 33,137 |
Land, buildings and improvements | 7,643 |  |  | 3,375 |
Total cost | 233,908 |  |  | 214,335 |
Less accumulated depreciation and amortization | (156,822 | ) |  | (138,528 | )
Total | $ | 77,086 |  |  | $ | 75,807 |
Depreciation and amortization expense for fixed assets amounted to $22.7 million in 2017, $21.0 million in 2016 and $20.9 million in 2015.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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