Subsequent Events (Details) - USD ($) $ in Thousands |
Jul. 23, 2014 |
Jun. 23, 2014 |
Jul. 21, 2014 |
Jun. 28, 2014 |
Jun. 11, 2014 |
Dec. 28, 2013 |
Jan. 28, 2011 |
|---|---|---|---|---|---|---|---|
| Subsequent Event [Line Items] | |||||||
| Repayments of Senior Debt | $ 56,000 | ||||||
| Subsequent Event [Member] | |||||||
| Subsequent Event [Line Items] | |||||||
| Debt Instrument, Redemption Price, Percentage | 103.00% | ||||||
| Senior Notes [Member] | |||||||
| Subsequent Event [Line Items] | |||||||
| Debt Instrument, Interest Rate at Period End | 6.875% | ||||||
| Senior Notes [Member] | Seven Point Seven Five Percent Senior Secured Notes [Member] | |||||||
| Subsequent Event [Line Items] | |||||||
| Debt Instrument, Interest Rate at Period End | 7.75% | ||||||
| Companhia Providencia Industria e Comercio [Member] | |||||||
| Subsequent Event [Line Items] | |||||||
| Long-term Pollution Control Bond | $ 9,100 | $ 9,100 | $ 0 | ||||
| Companhia Providencia Industria e Comercio [Member] | Subsequent Event [Member] | |||||||
| Subsequent Event [Line Items] | |||||||
| Long-term Pollution Control Bond | $ 9,100 |