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Debt (Details 3) (USD $) | 3 Months Ended |  |  | 0 Months Ended |
--- | --- | --- | --- | --- | ---
May 31, 2013 Unsecured state industrial development loan | May 31, 2013 Unsecured state industrial development loan LIBOR | May 31, 2013 Unsecured state industrial development loan Maximum LIBOR | Mar. 02, 2013 MBFC Maximum | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan After March 1, 2018 | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan Base Rate Loan LIBOR | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan Base Rate Loan Federal Funds Rate | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan Base Rate Loan Bank of America's prime rate | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan Eurodollar Rate Loans LIBOR | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan Minimum Base Rate Loan Base rate | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan Minimum Eurodollar Rate Loans LIBOR | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan Maximum Base Rate Loan Base rate | Mar. 02, 2013 Kaz USA Unsecured state industrial development loan Maximum Eurodollar Rate Loans LIBOR
Long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Taxable industrial development revenue bonds |  |  |  | $ 38,000,000 |  |  |  |  |  |  |  |  |  |
Face amount | 38,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Interim draws, maximum |  |  |  |  | 38,000,000 |  |  |  |  |  |  |  |  |
Variable Rate Basis |  | LIBOR |  |  |  |  | one-, two-, three-, or six-month LIBOR | federal funds | prime rate of Bank of America | one-, two-, three-, or six-month LIBOR |  |  |  |
Margin (as a percent) |  |  | 2.125% |  |  |  | 1.00% | 0.50% |  |  | 0.00% | 1.00% | 1.125% | 2.125%
Outstanding principal payable on March 1, 2014 |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2015 |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2016 |  |  |  |  | 3,800,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2017 |  |  |  |  | 5,700,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2018 |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2019 |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2020 |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2021 |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2022 |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |
Outstanding principal payable on March 1, 2023 |  |  |  |  | $ 15,200,000 |  |  |  |  |  |  |  |  |
Period after facility is ready for occupancy for which debt may be prepaid | 6 months |  |  |  | 6 months |  |  |  |  |  |  |  |  |
Notice period for prepayment of debt by Bank of America, N.A. |  |  |  |  |  | 90 days |  |  |  |  |  |  |  |

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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a type of municipal bond typically used to fund a development project. Also called special assessment limited liability bond, special district bond, special purpose bond, special tax bond and community development obligation. Interest owed to lenders is paid by taxes levied on the community benefiting from the particular bond-funded project. For example, if a bond of this sort was issued to pay for sidewalks to be repaved in a certain community, an additional tax would be levied on homeowners in the area benefiting from this project. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Article 5 -Subsection 20, 22 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13, 16 -Article 9 + Details
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