Investments Held to Maturity Investments Held to Maturity

12 Months Ended

Dec. 31, 2013

Investments held to maturity [Abstract]

Investment [Text Block]

Investments Held to Maturity

During the fiscal year ended December 31, 2013, the Company purchased and sold seven zero-coupon discount notes that were classified as held-to-maturity. The amortized cost of the investments sold was $97.9 million. The Company realized a loss on the sale of less than $0.1 million. The Company sold the investments prior to maturity during the fiscal year ended December 31, 2013as a result of higher than anticipated liquidity needs.