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SUBSEQUENT EVENTS - Summary of Cross Currency Swaps (Details) | Oct. 02, 2017 USD ($) | Oct. 02, 2017 CHF (SFr) | Sep. 30, 2017 USD ($)
--- | --- | --- | ---
Cash Flow Hedging | Designated as Hedging Instrument |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount |  |  | $ 400,000,000
Long | Codman | Cross Currency Interest Rate Contract | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount | SFr |  | SFr 291,200,000 |
Long | Cash Flow Hedging | Designated as Hedging Instrument | Codman | Cross Currency Interest Rate Contract | Subsequent Event | Swap One |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount | SFr |  | SFr 97,065,000 |
Fixed Rate | 1.75% | 1.75% |
Long | Cash Flow Hedging | Designated as Hedging Instrument | Codman | Cross Currency Interest Rate Contract | Subsequent Event | Swap Two |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount | SFr |  | SFr 48,532 |
Fixed Rate | 1.85% | 1.85% |
Long | Cash Flow Hedging | Designated as Hedging Instrument | Codman | Cross Currency Interest Rate Contract | Subsequent Event | Swap Three |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount | SFr |  | SFr 145,598 |
Fixed Rate | 1.95% | 1.95% |
Short | Codman | Cross Currency Interest Rate Contract | Subsequent Event |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount | $ 300,000,000.0 |  |
Short | Cash Flow Hedging | Designated as Hedging Instrument | Codman | Cross Currency Interest Rate Contract | Subsequent Event | Swap One |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount | $ 100,000,000 |  |
Fixed Rate | 4.38% | 4.38% |
Short | Cash Flow Hedging | Designated as Hedging Instrument | Codman | Cross Currency Interest Rate Contract | Subsequent Event | Swap Two |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount | $ 50,000,000 |  |
Fixed Rate | 4.46% | 4.46% |
Short | Cash Flow Hedging | Designated as Hedging Instrument | Codman | Cross Currency Interest Rate Contract | Subsequent Event | Swap Three |  |  |
Derivative [Line Items] |  |  |
Aggregate Notional Amount | $ 150,000,000 |  |
Fixed Rate | 4.52% | 4.52% |

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