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SUBSEQUENT EVENTS - Narrative (Details) SFr in Millions |  |  | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 06, 2017 USD ($) | Oct. 02, 2017 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Oct. 02, 2017 CHF (SFr)
Derivative [Line Items] |  |  |  |  |
Borrowings under term loan |  |  | $ 571,383,000 | $ 15,000,000 |
Subsequent Event | Term Loan A-1 | Secured Debt |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Borrowings under term loan |  | $ 700,000,000 |  |  |
Subsequent Event | Codman |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Purchase price, purchase agreement |  | 1,014,000,000 |  |  |
Subsequent Event | Codman | Cross Currency Interest Rate Contract | Short |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amounts |  | 300,000,000.0 |  |  |
Subsequent Event | Codman | Cross Currency Interest Rate Contract | Long |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amounts | SFr |  |  |  |  | SFr 291.2
Subsequent Event | Codman | Natus |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Purchase price, divestiture agreement | $ 46,400,000 |  |  |  |
Subsequent Event | Codman | Revolving Credit Facility | Natus |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Settlement of debt | $ 36,400,000 |  |  |  |
Subsequent Event | Codman | Term Loan A-1 | Secured Debt |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Borrowings under term loan |  | $ 700,000,000 |  |  |

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