PENSION BENEFIT PLANS - Narrative (Details)	3 Months Ended
	Jun. 30, 2016 USD ($) Employee	Jun. 30, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Expense for all defined benefit pension and defined contribution plans	$ 2,900,000	$ 1,100,000
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]
Contributions to defined benefit pension plans	$ 0
Expected cash contribution requirements for defined benefit pension plans, less than	$ 1,000,000