Retirement Plans and Deferred Compensation	6 Months Ended
Retirement Plans and Deferred Compensation	Jun. 30, 2011
Retirement Plans and Deferred Compensation [Abstract]
Retirement Plans and Deferred Compensation	14. Retirement Plans And Deferred Compensation During the six-month periods ended June 30, 2011 and June 30, 2010, the Company maintained a defined contribution pension plan covering all full-time, U.S. employees of SLPE, Teal, MTE, SL-MTI, RFL and the corporate office. The Company’s contributions to this plan are based on a percentage of employee contributions and/or plan year gross wages, as defined. Costs incurred under these plans amounted to $303,000 and $691,000 during the three and six-month periods ended June 30, 2011. Costs incurred under these plans amounted to $340,000 and $624,000 during the three and six-month periods ended June 30, 2010. The Company has agreements with certain active and retired directors, officers and key employees providing for supplemental retirement benefits. The liability for supplemental retirement benefits is based on the most recent mortality tables available and discount rates ranging from 6% to 12%. The amount charged to expense in connection with these agreements amounted to $97,000 and $193,000 during the three and six-month periods ended June 30, 2011. The amount charged to expense in connection with these agreements amounted to $95,000 and $189,000 during the three and six-month periods ended June 30, 2010.

The entire disclosure for pension and other postretirement benefits.

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