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Borrowings - Long-Term Borrowings (Details) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 03, 2017 | Jan. 31, 2018 | Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2018 JPY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 JPY (¥) | Jun. 30, 2017 USD ($) | Jun. 16, 2017 USD ($) | Jul. 25, 2016 USD ($) | Jul. 25, 2016 JPY (¥)
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Principal |  |  | $ 1,156,932,000 |  | $ 1,156,932,000 |  |  |  |  |  |  |
Outstanding Borrowings, net |  |  | 1,121,464,000 |  | 1,121,464,000 |  | $ 1,388,548,000 |  |  |  |  |
Outstanding principal amount |  |  | 1,156,932,000 |  | 1,156,932,000 |  |  |  |  |  |  |
Repayments of long-term debt |  |  | 276,000,000 | $ 1,350,000 |  |  |  |  |  |  |  |
Aggregate future required minimum principal payments based on the terms of loan |  |  |  |  |  |  |  |  |  |  |  |
2018 |  |  | 0 |  | 0 |  |  |  |  |  |  |
2019 |  |  | 0 |  | 0 |  |  |  |  |  |  |
2020 |  |  | 32,932,000 |  | 32,932,000 |  |  |  |  |  |  |
2021 and thereafter |  |  | 1,124,000,000 |  | 1,124,000,000 |  |  |  |  |  |  |
Total principal of long-term borrowings |  |  | 1,156,932,000 |  | 1,156,932,000 |  |  |  |  |  |  |
LIBOR rate |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Interest rate added to variable rate (as a percent) | 1.25% |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Principal |  |  | 7,000,000 |  | 7,000,000 |  | 7,000,000 |  |  |  |  |
Deferred Debt Issuance Cost |  |  | (1,976,000) |  | (1,976,000) |  | (4,117,000) |  |  |  |  |
Outstanding Borrowings, net |  |  | 5,024,000 |  | 5,024,000 |  | 2,883,000 |  |  |  |  |
Outstanding principal amount |  |  | 7,000,000 |  | 7,000,000 |  | 7,000,000 |  |  |  |  |
Deferred Debt Issuance Cost |  |  | (1,976,000) |  | (1,976,000) |  | (4,117,000) |  |  |  |  |
Aggregate future required minimum principal payments based on the terms of loan |  |  |  |  |  |  |  |  |  |  |  |
Total principal of long-term borrowings |  |  | $ 7,000,000 |  | $ 7,000,000 |  | $ 7,000,000 |  |  |  |  |
Senior Secured Second Lien Notes |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 6.75% |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 6.75% |  |
Face amount |  |  |  |  |  |  |  |  |  | $ 500,000,000 |  |
Senior Secured Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 4.94% |  | 4.94% | 4.94% | 5.13% | 5.13% |  |  |  |
Outstanding Principal |  |  | $ 624,000,000 |  | $ 624,000,000 |  | $ 900,000,000 |  |  |  |  |
Discount |  |  | (650,000) |  | (650,000) |  | (999,000) |  |  |  |  |
Deferred Debt Issuance Cost |  |  | (13,101,000) |  | (13,101,000) |  | (18,504,000) |  |  |  |  |
Outstanding Borrowings, net |  |  | 610,249,000 |  | 610,249,000 |  | 880,497,000 |  |  |  |  |
Outstanding principal amount |  |  | $ 624,000,000 |  | $ 624,000,000 |  | $ 900,000,000 |  |  |  |  |
Interest rate (as a percent) |  |  | 4.94% |  | 4.94% | 4.94% | 5.13% | 5.13% |  |  |  |
Deferred Debt Issuance Cost |  |  | $ (13,101,000) |  | $ (13,101,000) |  | $ (18,504,000) |  |  |  |  |
Aggregate future required minimum principal payments based on the terms of loan |  |  |  |  |  |  |  |  |  |  |  |
Total principal of long-term borrowings |  |  | $ 624,000,000 |  | $ 624,000,000 |  | $ 900,000,000 |  |  |  |  |
Senior Secured Credit Facility | Senior Secured Second Lien Notes |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 6.75% |  | 6.75% | 6.75% | 6.75% | 6.75% |  |  |  |
Outstanding Principal |  |  | $ 500,000,000 |  | $ 500,000,000 |  | $ 500,000,000 |  |  |  |  |
Discount |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Deferred Debt Issuance Cost |  |  | (21,673,000) |  | (21,673,000) |  | (22,961,000) |  |  |  |  |
Outstanding Borrowings, net |  |  | 478,327,000 |  | 478,327,000 |  | 477,039,000 |  |  |  |  |
Outstanding principal amount |  |  | $ 500,000,000 |  | $ 500,000,000 |  | $ 500,000,000 |  |  |  |  |
Interest rate (as a percent) |  |  | 6.75% |  | 6.75% | 6.75% | 6.75% | 6.75% |  |  |  |
Deferred Debt Issuance Cost |  |  | $ (21,673,000) |  | $ (21,673,000) |  | $ (22,961,000) |  |  |  |  |
Aggregate future required minimum principal payments based on the terms of loan |  |  |  |  |  |  |  |  |  |  |  |
Total principal of long-term borrowings |  |  | 500,000,000 |  | 500,000,000 |  | $ 500,000,000 |  |  |  |  |
Senior Secured Credit Facility Fourth Amendment |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Principal |  |  |  |  |  |  |  |  | $ 1,150,000,000 |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  | 1,150,000,000 |  |  |
Repayments of long-term debt |  |  | 276,000,000 |  | $ 526,000,000 |  |  |  |  |  |  |
Accelerated unamortized financing costs |  |  | $ 6,000,000 |  |  |  |  |  |  |  |  |
Aggregate future required minimum principal payments based on the terms of loan |  |  |  |  |  |  |  |  |  |  |  |
Total principal of long-term borrowings |  |  |  |  |  |  |  |  | $ 1,150,000,000 |  |  |
Senior Secured Credit Facility Fourth Amendment | LIBOR rate |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Interest rate added to variable rate (as a percent) |  | 3.25% |  |  |  |  |  |  |  |  |  |
SBI Bonds |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 5.00% |  | 5.00% | 5.00% | 5.00% | 5.00% |  |  |  |
Outstanding Principal |  |  | $ 32,932,000 |  | $ 32,932,000 |  | $ 31,059,000 |  |  |  |  |
Discount |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Deferred Debt Issuance Cost |  |  | (44,000) |  | (44,000) |  | (47,000) |  |  |  |  |
Outstanding Borrowings, net |  |  | 32,888,000 |  | 32,888,000 |  | 31,012,000 |  |  |  |  |
Outstanding principal amount |  |  | $ 32,932,000 |  | $ 32,932,000 |  | $ 31,059,000 |  |  |  |  |
Interest rate (as a percent) |  |  | 5.00% |  | 5.00% | 5.00% | 5.00% | 5.00% |  |  |  |
Deferred Debt Issuance Cost |  |  | $ (44,000) |  | $ (44,000) |  | $ (47,000) |  |  |  |  |
Aggregate future required minimum principal payments based on the terms of loan |  |  |  |  |  |  |  |  |  |  |  |
Total principal of long-term borrowings |  |  | 32,932,000 |  | 32,932,000 |  | 31,059,000 |  |  |  |  |
Total Long-term borrowings |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Principal |  |  | 1,156,932,000 |  | 1,156,932,000 |  | 1,431,059,000 |  |  |  |  |
Discount |  |  | (650,000) |  | (650,000) |  | (999,000) |  |  |  |  |
Deferred Debt Issuance Cost |  |  | (34,818,000) |  | (34,818,000) |  | (41,512,000) |  |  |  |  |
Outstanding Borrowings, net |  |  | 1,121,464,000 |  | 1,121,464,000 |  | 1,388,548,000 |  |  |  |  |
Outstanding principal amount |  |  | 1,156,932,000 |  | 1,156,932,000 |  | 1,431,059,000 |  |  |  |  |
Deferred Debt Issuance Cost |  |  | (34,818,000) |  | (34,818,000) |  | (41,512,000) |  |  |  |  |
Aggregate future required minimum principal payments based on the terms of loan |  |  |  |  |  |  |  |  |  |  |  |
Total principal of long-term borrowings |  |  | 1,156,932,000 |  | 1,156,932,000 |  | 1,431,059,000 |  |  |  |  |
VFH | SBI Bonds |  |  |  |  |  |  |  |  |  |  |  |
Reconciliation of senior secured credit facility |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Principal |  |  | 32,900,000 |  | 32,900,000 | ¥ 3,500,000,000 | 31,000,000 | ¥ 3,500,000,000 |  |  |  |
Outstanding principal amount |  |  | 32,900,000 |  | 32,900,000 | 3,500,000,000 | 31,000,000 | 3,500,000,000 |  |  |  |
Face amount |  |  |  |  |  |  |  |  |  |  | $ 33,100,000.0 | ¥ 3,500,000,000.0
Loss due to change in currency rates |  |  | 1,900,000 | $ 1,500,000 |  |  |  |  |  |  |  |
Aggregate future required minimum principal payments based on the terms of loan |  |  |  |  |  |  |  |  |  |  |  |
Total principal of long-term borrowings |  |  | $ 32,900,000 |  | $ 32,900,000 | ¥ 3,500,000,000 | $ 31,000,000 | ¥ 3,500,000,000 |  |  |  |

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