Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.

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+ Details

Significant Accounting Policies Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018	Sep. 30, 2018
Operating Lease, Liability	$ 195,717
Retained earnings	$ 2,118,860		$ 1,997,785	$ 1,970,875
Change Due To Adoption of ASC 842
Assets, Noncurrent		$ 160,800
Operating Lease, Liability		161,400
Retained earnings		$ (600)