New Accounting Pronouncements (Narrative) (Details) - USD ($) $ in Thousands	Jul. 01, 2019	Jun. 30, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustment to retained earnings and reduction prepaid taxes		$ (188,798)
Minimum [Member] | ASU 2016-02 [Member] | Subsequent Event [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated recognition of additional right-of-use assets and lease liabilities for operating leases	$ 60,000
Maximum [Member] | ASU 2016-02 [Member] | Subsequent Event [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated recognition of additional right-of-use assets and lease liabilities for operating leases	$ 70,000