NEW ACCOUNTING STANDARDS (Narrative) (Details)	Mar. 31, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease liabilities	$ 434,681,000
ASU 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease liabilities	$ 442,697,000