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PENSION PLANS (Details) - Waltham Plan - Pension Plan $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
PENSION PLAN
Fair value of plan assets	$ 2.2
Fair value of plan obligation	2.9
Employer contributions	0.0
Unfunded Status
PENSION PLAN
Unfunded status amount	$ 0.7

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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