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FAIR VALUE OF FINANCIAL INSTRUMENTS - Recurring Fair Value Measurements (Detail) - USD ($) $ in Thousands | Jun. 30, 2018 | Jun. 30, 2017
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swap agreements |  | $ 3,110
Fair Value, Measurements, Recurring | Other accrued expenses and current liabilities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Contingent consideration | $ 693 | 14,889
Fair Value, Measurements, Recurring | Other accrued expenses and current liabilities | Level 2 | Interest Rate Swap |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swap agreements |  | 3
Fair Value, Measurements, Recurring | Other long-term liabilities | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Contingent consideration | 11,000 | 658
Fair Value, Measurements, Recurring | Other long-term liabilities | Level 2 | Interest Rate Swap |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swap agreements |  | 3,110
Fair Value, Measurements, Recurring | Prepaid expenses and other current assets | Level 2 | Interest Rate Swap |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swap agreements | 672 |
Fair Value, Measurements, Recurring | Other long-term assets | Level 2 | Interest Rate Swap |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Interest rate swap agreements | $ 13,405 | $ 5,559

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