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Leases (Supplemental Balance Sheet Information Related To Leases) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Jan. 01, 2019
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Leases [Abstract] |  |
Operating lease right-of-use assets | $ 224,878 | $ 232,319
Operating lease liabilities - current portion | 19,658 | $ 245,280
Operating lease liabilities - non-current portion | 218,610 |
Total operating lease liabilities | 238,268 |
Property plant and equipment, gross | 369 |
Accumulated depreciation | (82) |
Property plant and equipment, net | 287 |
Other current liabilities | 145 |
Other long-term liabilities | 144 |
Total finance lease liabilities | $ 289 |
Weighted-average remaining lease term - finance leases | 3 years |
Weighted-average remaining lease term - operating leases | 11 years |
Weighted-average discount rate - finance leases | 5.07% |
Weighted-average discount rate - operating leases | 4.98% |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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