Quarterly report pursuant to Section 13 or 15(d)

REVENUES - Contract Assets and Liabilities (Details)

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REVENUES - Contract Assets and Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Apr. 01, 2018
Mar. 31, 2018
Jul. 01, 2017
Revenue from Contract with Customer [Abstract]        
Accounts receivable, net $ 1,428,535 $ 1,408,587 $ 1,408,587 $ 1,143,573
Contract assets 2,931 2,600    
Contract liabilities $ 30,297 $ 28,252