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Fixed Assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment [Table Text Block] | Fixed assets at December 31 consisted of the following:
(in thousands) | 2018 |  | 2017
Furniture, fixtures and equipment | $ | 213,928 |  |  | $ | 190,784 |
Leasehold improvements | 39,194 |  |  | 35,481 |
Construction in progress | 7,568 |  |  | — |
Land, buildings and improvements | 8,185 |  |  | 7,643 |
Total cost | 268,875 |  |  | 233,908 |
Less accumulated depreciation and amortization | (168,480 | ) |  | (156,822 | )
Total | $ | 100,395 |  |  | $ | 77,086 |
Depreciation and amortization expense for fixed assets amounted to $22.8 million in 2018, $22.7 million in 2017 and $21.0 million in 2016.

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: 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 Reference 2: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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