Long-term Debt - Cash Flow Hedges (Detail 2) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Long Term Debt [Abstract]
Gain (loss) recognized in other comprehensive income	$ (2,598)	$ 1,867	$ (1,573)	$ 1,521
Amounts reclassified to earnings from accumulated other comprehensive loss	(1,180)	746	(1,988)	1,600
Net current period other comprehensive income	$ (3,778)	$ 2,613	$ (3,561)	$ 3,121

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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No definition available.

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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