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Financial Instruments - Interest Rate Swaps and Non-Designated Cash Flow Hedge (Details) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Apr. 28, 2016 USD ($) | Feb. 12, 2016 USD ($) item | Dec. 31, 2016 USD ($)
Derivative instruments |  |  |
Percentage of projected intercompany purchases hedged by forward exchange contracts |  |  | 50.00%
Period of projected intercompany purchase transactions |  |  | 12 months
Credit Agreement |  |  |
Interest Rate Swaps |  |  |
Amount drawn | $ 230.0 |  |
Senior unsecured revolving credit facility |  |  |
Interest Rate Swaps |  |  |
Borrowing capacity |  | $ 500.0 |
Forward exchange contracts | Non designated | Cash Flow Hedging |  |  |
Amount of Gain or (Loss) Recognized in Income on Derivatives |  |  |
Gain from derivatives recorded in statement of operations |  |  | $ 0.3
Interest Rate Swaps | Designated | Cash Flow Hedging |  |  |
Interest Rate Swaps |  |  |
Number of derivative contracts entered | item |  | 2 |
Derivative fixed interest rate |  | 1.31375% |
Derivative notional amount |  | $ 225.0 |
Gain (loss) recognized in Accumulated Other Comprehensive Loss, effective portion |  |  | $ 2.9
Interest Rate Swaps | Designated | Cash Flow Hedging | LIBOR |  |  |
Interest Rate Swaps |  |  |
Derivative, floor interest rate |  | 0.00% |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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