Note 20 - Retirement Plan

12 Months Ended

May 31, 2014

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

20. RETIREMENT PLAN

The Company maintains a 401(k) retirement plan covering its U.S. employees who meet the plan requirements. The Company matches a portion of employee contributions, which vest immediately. The Company matched contributions to the plan of $1.9 million during fiscal 2014, $1.6 million during fiscal 2013, $1.0 million during the Successor fiscal 2012 period, and $0.4 million during the Predecessor fiscal 2012 period.

The Company’s Canadian affiliate maintains a defined contribution pension plan covering all Canadian employees, except temporary employees. The Company matches a portion of employee contributions to the plan, and each employee vests in the Company’s matching contributions once they have been a participant continuously for two years. The Company’s matching contributions to the plan were $0.1 million for fiscal 2014, $0.1 million for fiscal 2013, and less than $0.1 million for each of the Successor fiscal 2012 period and the Predecessor fiscal 2012 period.