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Debt (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2013 | Dec. 31, 2012
Short-term debt | $ 0 |  | $ 1,160 |
Debt: |  |  |  |
Long-term debt | 199,287 |  | 200,236 |
Less: current portion | (10,858) |  | (18,925) |
Total long-term debt, net | 188,429 |  | 181,311 |
Letter Of Credit [Member] |  |  |  |
Short-term debt | 0 |  | 0 |
Debt: |  |  |  |
Debt, Maturity | Dec - 2016 |  |  |
Bcs Revolver [Member] |  |  |  |
Short-term debt | 0 |  | 1,160 |
Debt: |  |  |  |
Debt, Maturity | Feb - 2013 |  |  |
Senior Notes [Member] |  |  |  |
Debt: |  |  |  |
Long-term debt | 172,796 | [1] | 173,916 | [1]
Debt, Maturity | Oct - 2017 | [1] |  |
Long-term Debt, Weighted Average Interest Rate | 9.50% | [1] |  |
Pst Notes Payable [Member] |  |  |  |
Short-term debt | 6,098 |  | 16,161 |
Debt: |  |  |  |
Long-term debt | 18,552 |  | 8,155 |
Debt, Maturity | Various 2013 |  |  |
Debt Instrument Maturity Period Range Start | 2014 |  |  |
Debt Instrument Maturity Period Range End | 2019 |  |  |
Pst Notes Payable [Member] | Maximum [Member] |  |  |  |
Debt: |  |  |  |
Long-term Debt, Weighted Average Interest Rate | 5.50% |  |  |
Short-term debt, Weighted Average Interest Rate | 9.48% |  |  |
Pst Notes Payable [Member] | Minimum [Member] |  |  |  |
Debt: |  |  |  |
Long-term Debt, Weighted Average Interest Rate | 4.00% |  |  |
Short-term debt, Weighted Average Interest Rate | 3.13% |  |  |
Suzhou Long Term Note [Member] |  |  |  |
Debt: |  |  |  |
Long-term debt | 1,466 |  | 1,445 |
Debt, Maturity | Aug - 2013 |  |  |
Long-term Debt, Weighted Average Interest Rate | 7.50% |  |  |
Other [Member] |  |  |  |
Debt: |  |  |  |
Long-term debt | $ 375 |  | $ 559 |
[1] | Weighted average interest rate excludes the impact of the Company's interest rate swap and the accretion of debt discount.

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