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Derivative Financial Instruments (Details) $ in Thousands	3 Months Ended				9 Months Ended
	Mar. 31, 2020 USD ($) instrument	Sep. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2018 USD ($)	Mar. 31, 2020 USD ($) instrument	Mar. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)
Derivative [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification		$ 3,143		$ (3,246)
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 18,039		$ 1,287		$ 25,730	$ 19,617
Proceeds from Hedge, Investing Activities					27,732
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(6,917)		1,217		591	7,354
Foreign Exchange Option [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	4,542				4,542		$ 4,765
Derivative Liability							(42)
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset							144
Derivative Liability	(37,674)				(37,674)		12,895
Notional Amount of Interest Rate Derivatives	500,000				500,000
Notional value of contracts with future start date	50,000				50,000
Total current and future notional amount	$ 550,000				$ 550,000
Derivative, Number of Instruments Held | instrument	10				10
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 0		29		$ 0	(185)
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months					9,488
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax					$ (24,841)	(10,916)
Foreign Exchange Forward [Member]
Derivative [Line Items]
Derivative, Number of Instruments Held | instrument	526				526
Derivative, Notional Amount	$ 556,679				$ 556,679
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	18,039		1,258		$ 25,730	19,802
Derivative, Underlying Basis					Various
Currency Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	17,795				$ 17,795		15,268
Derivative Liability	(5,514)				(5,514)
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Liabilities, Fair Value	$ (3,558)				$ (3,558)
Derivative, Number of Instruments Held | instrument	2				2
Proceeds from Other Operating Activities	$ 9,177
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months					$ 3,133
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ 3,444		(1,273)		$ 2,583	(2,656)
Forward Contracts [Member]
Derivative [Line Items]
Derivative, Number of Instruments Held | instrument	6				6
Interest Expense [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ (24,645)		(6,102)
Fair value, recurring measurements [Member] | Foreign Exchange Forward [Member]
Derivative [Line Items]
Foreign Currency Contracts, Liability, Fair Value Disclosure	(812)				$ (812)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Interest Expense [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(691)		314		1,146	(105)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Other Income [Member] | Currency Swap [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(2,665)		(2,146)		6,203	5,920
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(2,531)		(1,374)		(5,537)	(4,361)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Income (loss) before taxes [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(3,356)		(1,832)		(7,349)	(5,815)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Income Taxes [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	825		458		(1,812)	(1,454)
Cash Flow Hedging [Member] | Currency Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount	120,874				120,874
Net Investment Hedging [Member] | Currency Swap [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ 0		1,542		$ 0	6,557
Net Investment Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Derivative, Number of Instruments Held | instrument	9				9
Derivative, Notional Amount	$ 180,292				$ 180,292
Proceeds from Hedge, Investing Activities					27,732
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	14,284		$ 7,050		22,849	$ 14,369
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	7,436				7,436		4,658
Derivative Asset, Fair Value, Gross Liability	0				0		0
Derivative Liability, Fair Value, Gross Liability	(45,934)				(45,934)		(16,207)
Derivative Liability, Fair Value, Gross Asset	0				0		0
Derivative Liability	(45,934)				(45,934)		(16,207)
Interest Rate Cash Flow Hedge Asset at Fair Value	7,436				7,436		4,658
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	0				0		144
Derivative Asset, Fair Value, Gross Liability	0				0		0
Derivative Liability, Fair Value, Gross Liability	(37,674)				(37,674)		(12,895)
Derivative Liability, Fair Value, Gross Asset	0				0		0
Interest Rate Cash Flow Hedge Liability at Fair Value	(37,674)				(37,674)		(12,895)
Interest Rate Cash Flow Hedge Asset at Fair Value	0				0		144
Designated as Hedging Instrument [Member] | Currency Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	5,895				5,895
Derivative Liability, Fair Value, Gross Liability	(3,558)				(3,558)		(915)
Derivative Liability, Fair Value, Gross Asset	0				0		0
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Liabilities, Fair Value							(915)
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	1,541				1,541		4,514
Derivative Asset, Fair Value, Gross Liability	0				0		0
Derivative Liability, Fair Value, Gross Liability	(4,702)				(4,702)		(2,397)
Derivative Liability, Fair Value, Gross Asset	0				0		0
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Liabilities, Fair Value	(4,702)				(4,702)		(2,397)
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	23,027				23,027		16,658
Derivative Asset, Fair Value, Gross Liability	(2,231)				(2,231)		1,139
Derivative Liability, Fair Value, Gross Liability	(1,346)				(1,346)		(169)
Derivative Liability, Fair Value, Gross Asset	534				534		38
Derivative Liability							(131)
Derivative Asset	20,796				20,796		15,519
Not Designated as Hedging Instrument [Member] | Foreign Exchange Option [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	4,554				4,554		4,793
Derivative Asset, Fair Value, Gross Liability	12				12		28
Derivative Liability, Fair Value, Gross Liability	0				0		(42)
Derivative Liability, Fair Value, Gross Asset	0				0		0
Derivative Liability	0				0		(42)
Foreign Currency Contract, Asset, Fair Value Disclosure	4,542				4,542		4,765
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	18,473				18,473		11,865
Derivative Asset, Fair Value, Gross Liability	(2,219)				(2,219)		1,111
Derivative Liability, Fair Value, Gross Liability	(1,346)				(1,346)		(127)
Derivative Liability, Fair Value, Gross Asset	534				534		38
Derivative, Net Liability Position, Aggregate Fair Value							(89)
Foreign Currency Contract, Asset, Fair Value Disclosure	16,254				16,254		$ 10,754
Foreign Currency Contracts, Liability, Fair Value Disclosure	(812)				$ (812)
Minimum [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Maturity Date					Mar. 31, 2022
Minimum [Member] | Foreign Exchange Forward [Member]
Derivative [Line Items]
Derivative, Maturity Date					Oct. 15, 2021
Minimum [Member] | Currency Swap [Member]
Derivative [Line Items]
Derivative, Maturity Date					Jun. 19, 2024
Maximum [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Maturity Date					Dec. 31, 2026
Maximum [Member] | Foreign Exchange Forward [Member]
Derivative [Line Items]
Derivative, Maturity Date					Apr. 15, 2025
Maximum [Member] | Currency Swap [Member]
Derivative [Line Items]
Derivative, Maturity Date					Jun. 19, 2024
Accounting Standards Update 2017-12 [Member] | Other Comprehensive Income (Loss) [Member]
Derivative [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 153				$ 153

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