Leases (Supplemental Balance Sheet Information Related To Leases) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 229,266	$ 232,319
Operating lease liabilities - current portion	19,797	$ 245,280
Operating lease liabilities - non-current portion	222,594
Total operating lease liabilities	242,391
Property plant and equipment, gross	372
Accumulated depreciation	(41)
Property plant and equipment, net	331
Other current liabilities	162
Other long-term liabilities	169
Total finance lease liabilities	$ 331
Weighted-average remaining lease term - finance leases	3 years
Weighted-average remaining lease term - operating leases	11 years
Weighted-average remaining lease term - finance leases	5.05%
Weighted-average discount rate - operating leases	4.97%

Finance Lease, Right-of-Use Asset, Accumulated Amortization

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- Definition

Finance Lease, Right-of-Use Asset, Gross

+ References

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Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

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-Publisher FASB
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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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Amount of lessee's right to use underlying asset under finance lease.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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