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Debt (Schedule of Debt) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Debt Instrument [Line Items] |  |  |  |
Short-term debt |  |  | $ 1,160 |
Debt: |  |  |  |
Total debt | 197,232 |  | 200,236 |
Less: current portion | (12,187) |  | (18,925) |
Total long-term debt, net | 185,045 |  | 181,311 |
Line of Credit [Member] |  |  |  |
Debt: |  |  |  |
Debt, maturity | Dec - 2016 |  |  |
BCS Revolver [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facilities |  |  | 1,160 |
Debt: |  |  |  |
Debt, maturity | Feb - 2013 |  |  |
Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facilities |  |  | 1,160 |
Senior Notes [Member] |  |  |  |
Debt: |  |  |  |
Long-term debt | 173,061 | [1] | 173,916 | [1]
Debt, maturity | Oct - 2017 | [1] |  |
Long-term debt, weighted average interest rate | 9.50% | [1] |  |
PST Notes Payable [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Short-term debt | 4,822 |  | 16,161 |
Debt: |  |  |  |
Long-term debt | 16,896 |  | 8,155 |
Debt, maturity | Various 2014 |  |  |
Debt maturity period range start | 2014 |  |  |
Debt 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 as of December 31, 2013 | 16.56% |  |  |
PST Notes Payable [Member] | Minimum [Member] |  |  |  |
Debt: |  |  |  |
Long-term debt, weighted average interest rate | 4.00% |  |  |
Short-term debt, weighted average interest as of December 31, 2013 | 1.70% |  |  |
Other [Member] |  |  |  |
Debt: |  |  |  |
Total debt | 966 |  | 559 |
Suzhou Note [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Short-term debt | $ 1,487 |  | $ 1,445 |
Debt: |  |  |  |
Debt, maturity | Feb - 2014 |  |  |
Long-term debt, weighted average interest rate | 7.00% |  |  |
[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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