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INTEREST EXPENSE	12 Months Ended
INTEREST EXPENSE	Jun. 30, 2017
Interest Expense [Abstract]
INTEREST EXPENSE	INTEREST EXPENSE Total interest expense was $172 million, $183 million and $130 million in fiscal 2017, 2016 and 2015, respectively. Fiscal 2015 interest expense included $18 million of debt issuance costs related to financing commitments for a senior unsecured bridge loan facility established (and subsequently terminated when we secured permanent financing) in connection with our acquisition of Exelis. Interest paid was $168 million, $177 million and $89 million in fiscal 2017, 2016 and 2015, respectively.