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Corporate Restructuring Costs (Schedule of Restructuring Costs) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items] |  |
Total restructuring costs | $ 42,623 |
Employee Severance and Other Transition Costs [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total restructuring costs | 6,919 | [1]
Recruitment and Relocation Costs [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total restructuring costs | 9,952 | [1]
Lease Termination Costs [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total restructuring costs | 15,571 | [2]
Third-party and Other Costs [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total restructuring costs | 8,836 | [1]
Share-based Compensation Costs [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Total restructuring costs | $ 1,345 | [1]
[1] | Recorded in general and administrative expenses on the consolidated statement of income.
[2] | Recorded in impairment, closure costs, and asset disposals on the consolidated statement of income.

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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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