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Debt And Credit Arrangements Foreign Facilities (Details) € in Millions, ¥ in Millions, CZK in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CZK | Dec. 31, 2017 EUR (€) | Dec. 31, 2016 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Short-term Debt |  | $ 58.9 |  |  | $ 6.5
Debt Instrument, Face Amount |  | 250.0 |  |  |
China Facilities [Member] | Revolving Credit Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | ¥ 50.0 | 7.7 |  |  |
CCDEC Facility [Member] | Line of Credit - Working Capital [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 30.0 | 4.6 |  |  |
Short-term Debt | ¥ 2.3 | $ 15.0 |  |  |
Short-term Debt, Weighted Average Interest Rate, at Point in Time | 4.35% | 4.35% | 4.35% | 4.35% |
CCESC Term Loan Maturing May 26, 2024 [Member] | Long-term Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount | ¥ 86.6 | $ 13.3 |  |  |
Debt Instrument, Periodic Payment, Principal | ¥ | 10.0 |  |  |  |
Long-term Debt | ¥ 36.6 | $ 5.6 |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | 5.39% | 5.39% | 5.39% | 5.39% |
Ferox Secured Facility A1 Facility [Member] | Secured Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 5.9 | CZK 125.0 |  |
Ferox Secured Facility A1 Facility [Member] | Secured Debt [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Letter Of Credit And Guarantee Fees Percentage Of Face Amount For Maturities Up To One Year | 0.50% | 0.50% | 0.50% | 0.50% |
Ferox Secured Facility B2facilities [Member] | Secured Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 6.7 |  | € 5.6 |
Ferox Secured Facility B2facilities [Member] | Secured Debt [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Letter Of Credit And Guarantee Fees Percentage Of Face Amount For Maturities Up To One Year | 0.70% | 0.70% | 0.70% | 0.70% |
Ferox Secured Facilities A and B Member [Member] | Secured Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Bank Guarantees Supported By Credit Facilities |  | $ 7.0 | CZK 147.8 |  |
Chart Luxembourg Facility [Member] | Overdraft Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 5.0 |  |  |
Chart Cryogenic Engineering Systems Co., Ltd. [Member] | China Facilities [Member] | Revolving Credit Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Bank Guarantees Supported By Credit Facilities | ¥ 1.6 | $ 0.3 |  |  |

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