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Derivative Financial Instruments (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 USD ($) instrument | Sep. 30, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Dec. 31, 2019 USD ($) instrument | Dec. 31, 2018 USD ($) | 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 | $ (11,666) |  | $ 10,753 |  | $ 7,691 | $ 18,330 |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | 1,978 |  | 1,851 |  | 7,508 | 6,137 |
Foreign Exchange Option [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 3,463 |  |  |  | 3,463 |  | $ 4,765
Derivative Liability | (447) |  |  |  | (447) |  | (42)
Interest Rate Swap [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset |  |  |  |  |  |  | 144
Derivative Liability | (12,824) |  |  |  | (12,824) |  | 12,895
Notional Amount of Interest Rate Derivatives | 500,000 |  |  |  | 500,000 |  |
Notional value of contracts with future start date | 0 |  |  |  | 0 |  |
Total current and future notional amount | $ 500,000 |  |  |  | $ 500,000 |  |
Derivative, Number of Instruments Held | instrument | 9 |  |  |  | 9 |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ 0 |  | (418) |  | $ 0 | (214) |
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months |  |  |  |  | 3,062 |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax |  |  |  |  | $ (196) | (4,436) |
Foreign Exchange Forward [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative, Number of Instruments Held | instrument | 617 |  |  |  | 617 |  |
Derivative, Notional Amount | $ 581,807 |  |  |  | $ 581,807 |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | (11,666) |  | 11,171 |  | $ 7,691 | 18,544 |
Derivative, Underlying Basis |  |  |  |  | Various |  |
Currency Swap [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 16,007 |  |  |  | $ 16,007 |  | 15,268
Derivative Liability | (904) |  |  |  | (904) |  |
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Liabilities, Fair Value | $ 0 |  |  |  | $ 0 |  |
Derivative, Number of Instruments Held | instrument | 2 |  |  |  | 2 |  |
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months |  |  |  |  | $ 3,146 |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | $ 1,737 |  | (1,121) |  | (861) | (1,761) |
Interest Expense [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | 4,394 |  | (5,686) |  |  |  |
Fair value, recurring measurements [Member] | Foreign Exchange Forward [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | (922) |  |  |  | (922) |  |
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 | (485) |  | (378) |  | 455 | 209 |
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 | 2,026 |  | (2,534) |  | 3,538 | 3,774 |
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 | 1,145 |  | (2,184) |  | (3,006) | (2,987) |
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 | 1,541 |  | (2,912) |  | (3,993) | (3,983) |
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 | (396) |  | 728 |  | (987) | (996) |
Cash Flow Hedging [Member] | Currency Swap [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount | 124,808 |  |  |  | 124,808 |  |
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 |  | 3,225 |  | $ 0 | 5,015 |
Net Investment Hedging [Member] | Forward Contracts [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative, Number of Instruments Held | instrument | 9 |  |  |  | 9 |  |
Derivative, Notional Amount | $ 297,681 |  |  |  | $ 297,681 |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | (4,153) |  | $ 5,433 |  | 8,565 | $ 7,319 |
Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 13,764 |  |  |  | 13,764 |  | 4,658
Derivative Asset, Fair Value, Gross Liability | 0 |  |  |  | 0 |  | 0
Derivative Liability, Fair Value, Gross Liability | (13,253) |  |  |  | (13,253) |  | (16,207)
Derivative Liability, Fair Value, Gross Asset | 0 |  |  |  | 0 |  | 0
Derivative Liability | (13,253) |  |  |  | (13,253) |  | (16,207)
Interest Rate Cash Flow Hedge Asset at Fair Value | 13,764 |  |  |  | 13,764 |  | 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 | (12,824) |  |  |  | (12,824) |  | (12,895)
Derivative Liability, Fair Value, Gross Asset | 0 |  |  |  | 0 |  | 0
Interest Rate Cash Flow Hedge Liability at Fair Value | (12,824) |  |  |  | (12,824) |  | (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 | 3,048 |  |  |  | 3,048 |  |
Derivative Liability, Fair Value, Gross Liability | 0 |  |  |  | 0 |  | (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 | 10,716 |  |  |  | 10,716 |  | 4,514
Derivative Asset, Fair Value, Gross Liability | 0 |  |  |  | 0 |  | 0
Derivative Liability, Fair Value, Gross Liability | (429) |  |  |  | (429) |  | (2,397)
Derivative Liability, Fair Value, Gross Asset | 0 |  |  |  | 0 |  | 0
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Liabilities, Fair Value | (429) |  |  |  | (429) |  | (2,397)
Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 10,314 |  |  |  | 10,314 |  | 16,658
Derivative Asset, Fair Value, Gross Liability | (1,560) |  |  |  | (1,560) |  | 1,139
Derivative Liability, Fair Value, Gross Liability | (1,241) |  |  |  | (1,241) |  | (169)
Derivative Liability, Fair Value, Gross Asset | 319 |  |  |  | 319 |  | 38
Derivative Liability |  |  |  |  |  |  | (131)
Derivative Asset | 8,754 |  |  |  | 8,754 |  | 15,519
Not Designated as Hedging Instrument [Member] | Foreign Exchange Option [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 3,495 |  |  |  | 3,495 |  | 4,793
Derivative Asset, Fair Value, Gross Liability | 32 |  |  |  | 32 |  | 28
Derivative Liability, Fair Value, Gross Liability | (535) |  |  |  | (535) |  | (42)
Derivative Liability, Fair Value, Gross Asset | 88 |  |  |  | 88 |  | 0
Derivative Liability | (447) |  |  |  | (447) |  | (42)
Foreign Currency Contract, Asset, Fair Value Disclosure | 3,463 |  |  |  | 3,463 |  | 4,765
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 6,819 |  |  |  | 6,819 |  | 11,865
Derivative Asset, Fair Value, Gross Liability | (1,528) |  |  |  | (1,528) |  | 1,111
Derivative Liability, Fair Value, Gross Liability | (706) |  |  |  | (706) |  | (127)
Derivative Liability, Fair Value, Gross Asset | 231 |  |  |  | 231 |  | 38
Derivative, Net Liability Position, Aggregate Fair Value |  |  |  |  |  |  | (89)
Foreign Currency Contract, Asset, Fair Value Disclosure | 5,291 |  |  |  | 5,291 |  | $ 10,754
Foreign Currency Contracts, Liability, Fair Value Disclosure | (475) |  |  |  | $ (475) |  |
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, 2020 |  |
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, 2025 |  |
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 Location [Domain] |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ 153 |  |  |  | $ 153 |  |

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