Leases (Components Of Cash Flow Information Related To Leases) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2019	Jan. 01, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from leases	$ 10,214	$ 20,201
Leased asset obtained in exchange for new operating lease liabilities	$ 12,731	$ 15,944
Weighted Average Remaining Lease Term, Operating leases	4 years 4 months 2 days	4 years 4 months 2 days
Weighted Average Discount Rate, Operating leases	3.46%	3.46%	3.47%

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
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- Definition

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

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- Definition

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.

+ References

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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