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Note 9 - 401(k) Profit Sharing, Deferred Compensation and Long-term Incentive Plans | 12 Months Ended
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Dec. 31, 2015
Notes to Financial Statements |
Pension and Other Postretirement Benefits Disclosure [Text Block] |
(9) | 401(k) Profit Sharing, Deferred Compensation and Long-Term Incentive Plans
We have a defined contribution 401(k) plan and trust covering substantially all full-time employees. The annual contribution to the plan is at the discretion of our Board of Directors. Contributions of $5.3 million, $3.2 million and $2.1 million were recognized for the years ended December 31, 2015, 2014 and 2013, respectively. Employees may contribute to the plan if they meet certain eligibility requirements. We offer a deferred compensation and long-term incentive plan (the “LTIP”) to provide certain employees the ability to accumulate assets for retirement on a tax deferred basis. We may make discretionary contributions to the LTIP. Discretionary contributions vest between one and seven years based on the employee’s age and position. Additionally, a participant may defer a portion of his or her compensation and receive the deferred amount upon certain events, including termination or retirement. The following is a summary related to our LTIP:
Year Ended December 31, |  | 2015 |  |  | 2014 |  |  | 2013 |
Compensation expense (in millions) |  | $ | 1.8 |  |  | $ | 1.9 |  |  | $ | 1.4 |
Total discretionary contribution (in millions) |  | $ | 2.2 |  |  | $ | 2.4 |  |  | $ | 2.1 |
Guaranteed annual return |  |  | 5.25 | % |  |  | 5.25 | % |  |  | 5.25 | %
As of December 31, 2015 and 2014, the balance due to participants was $19.7 million and $14.2 million, respectively, and was included as a component of other long-term liabilities in the Consolidated Balance Sheets.

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