PENSION BENEFIT PLANS - Narrative (Details) $ in Millions	3 Months Ended
	Jun. 30, 2017 USD ($) Employee
Defined Benefit Plan Disclosure [Line Items]
Contributions to defined benefit pension plans	$ 0.1
Danaher | United States
Defined Benefit Plan Disclosure [Line Items]
Number of employees participating in noncontributory defined benefit pension plans | Employee	0
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected cash contribution requirements for defined benefit pension plans, less than	$ 1.0