Financial instruments (Tables)

3 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of carrying values and estimated fair values of debt instruments

The carrying value of long-term debt and estimated fair value of long-term debt are as follows:

	September 30, 2018		June 30, 2018
Carrying value of long-term debt	$	4,354,050	$	4,460,402
Estimated fair value of long-term debt	4,399,405		4,548,796

Schedule of derivative instruments in statement of financial position, fair value

The location and fair value of derivative financial instruments reported in the Consolidated Balance Sheet are as follows:

	Balance Sheet Caption	September 30, 2018		June 30, 2018
Net investment hedges
Cross-currency swap contracts	Other assets	$	9,598	$	7,614
Cash flow hedges
Costless collar contracts	Non-trade and notes receivable	1,125		932
Costless collar contracts	Other accrued liabilities	2,777		236

Schedule of derivative and non-derivative financial instruments, gain (loss) in statement of financial performance

Gain (losses) on derivative and non-derivative financial instruments that were recorded in accumulated other comprehensive (loss) in the Consolidated Balance Sheet are as follows:

	Three Months Ended
	September 30,
	2018		2017
Cross-currency swap contracts	$	1,920	$	(6,574	)
Foreign denominated debt	4,127		(16,834		)

Schedule of financial assets and liabilities measured at fair value

A summary of financial assets and liabilities that were measured at fair value on a recurring basis at September 30, 2018 and June 30, 2018 are as follows:

			Quoted Prices		Significant Other		Significant
	Fair		In Active		Observable		Unobservable
	Value at		Markets		Inputs		Inputs
	September 30, 2018		(Level 1)		(Level 2)		(Level 3)
Assets:
Equity securities	$	22,262	$	22,262	$	—	$	—
Corporate bonds	4,937		4,937		—		—
Asset-backed and mortgage-backed securities	3,673		—		3,673		—
Derivatives	16,716		—		16,716		—
Investments measured at net asset value	9,914
Liabilities:
Derivatives	9,851		—		9,851		—

			Quoted Prices		Significant Other		Significant
	Fair		In Active		Observable		Unobservable
	Value at		Markets		Inputs		Inputs
	June 30, 2018		(Level 1)		(Level 2)		(Level 3)
Assets:
Equity securities	$	2,956	$	2,956	$	—	$	—
Corporate bonds	5,331		5,331		—		—
Asset-backed and mortgage-backed securities	3,911		—		3,911		—
Derivatives	14,110		—		14,110		—
Investments measured at net asset value	7,208
Liabilities:
Derivatives	5,315		—		5,315		—