XML 30 R19.htm IDEA: XBRL DOCUMENT v2.4.0.6
Retirement Savings Plan
12 Months Ended
Dec. 31, 2011
Retirement Savings Plan [Abstract]  
Retirement Savings Plan
13. Retirement Savings Plan

The Company has a defined contribution 401(K) retirement savings plan (the "Plan"). Substantially all of the Company's U.S. employees are eligible to participate in the Plan after meeting certain minimum age and service requirements. Employees may make discretionary contributions to the Plan subject to Internal Revenue Service limitations. Employer matching contributions under the plan amounted to approximately $1.1 million, $1.0 million and $858,000 for the years ended December 31, 2011, 2010 and 2009, respectively. Employer matching contributions vest over a two-year period. The Company has a registered retirement savings plan for its Canadian employees. Substantially all of the Company's Canadian employees are eligible to participate in this plan. Employees make discretionary contributions to the plan subject to local limitations. Employer contributions to the Canadian plan amounted to approximately $280,000, $236,000 and $472,000 for the years ended December 31, 2011, 2010 and 2009, respectively.