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v3.6.0.2

Debt (Details) $ in Thousands, ¥ in Millions, ₩ in Billions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2016 KRW (₩) | Mar. 23, 2016 USD ($) | Mar. 23, 2016 CNY (¥) | Dec. 26, 2015 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 227,364 |  |  |  | $ 216,010
Debt Issuance Costs | (957) |  |  |  | 0
Less current portion of debt | (13,655) |  |  |  | (11,760)
Long-term debt | 213,709 |  |  |  | 204,250
Revolving Credit Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 200,000 |  |  |  | 0
Debt, stated interest rate | 2.49% | 2.49% |  |  |
Debt instrument maturity date | Dec. 06, 2021 |  |  |  |
Term Loan Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 0 |  |  |  | 200,000
Debt instrument maturity date | Dec. 31, 2017 |  |  |  |
Mueller Xingrong Credit Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 3,048 |  |  |  | 5,275
Debt, stated interest rate | 4.35% | 4.35% |  |  |
Debt instrument maturity date | Dec. 31, 2017 |  |  |  |
Jungwoo Mueller Line of Credit Due 2017 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 4,724 |  |  |  | 0
Debt, stated interest rate | 2.82% | 2.82% |  |  |
Debt instrument maturity date | Dec. 31, 2017 |  |  |  |
Jungwoo Mueller Line of Credit Due 2018 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 7,990 |  |  |  | 0
Debt, stated interest rate | 3.28% | 3.28% |  |  |
Debt instrument maturity date | Dec. 31, 2018 |  |  |  |
2001 Series IRB [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 4,250 |  |  |  | 5,250
Debt, stated interest rate | 1.23% | 1.23% |  |  |
Debt instrument maturity date | Dec. 31, 2021 |  |  |  |
Other [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt | $ 8,309 |  |  |  | $ 5,485
Mueller Xingrong Credit Facility [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility maximum borrowing capacity |  |  | $ 21,700 | ¥ 150 |
Credit Agreement [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt instrument variable rate basis | Borrowings under the Revolving Credit Facility bear interest, at the Company’s option, at LIBOR or Base Rate as defined by the Credit Agreement, plus a variable premium. LIBOR advances may be based upon the one, three, or six-month LIBOR. |  |  |  |
Outstanding letters of credit | $ 7,000 |  |  |  |
Terms of the letters of credit | 1 year |  |  |  |
Credit Agreement [Member] | LIBOR [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.15% |  |  |  |
Credit Agreement [Member] | Base Rate [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 0.15% |  |  |  |
Credit Agreement [Member] | Minimum [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility commitment fee | 0.15% |  |  |  |
Credit Agreement [Member] | Minimum [Member] | LIBOR [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.125% |  |  |  |
Credit Agreement [Member] | Minimum [Member] | Base Rate [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 0.125% |  |  |  |
Credit Agreement [Member] | Maximum [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Credit facility commitment fee | 0.30% |  |  |  |
Credit Agreement [Member] | Maximum [Member] | LIBOR [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.625% |  |  |  |
Credit Agreement [Member] | Maximum [Member] | Base Rate [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate | 0.625% |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, current borrowing capacity | $ 350,000 |  |  |  |
Jungwoo-Mueller [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility maximum borrowing capacity | $ 30,300 | ₩ 35.7 |  |  |

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