INFORMATION ON REPORTABLE SEGMENTS (Details) $ in Millions	3 Months Ended
Mar. 31, 2018 USD ($) country segment	Apr. 01, 2017 USD ($)
Information on reportable segments and other operating segments
Number of reportable segments \| segment	3
Revenues:
Revenues	$ 351.9	$ 340.6
Income:
Consolidated operating income	19.3	19.1
Pension and postretirement expense	(2.3)	(4.2)
Special charges, net	(2.0)	(0.5)
Reportable and other operating segments
Income:
Consolidated operating income	37.0	34.3
Corporate
Income:
Corporate expense	(11.8)	(11.4)
Special charges, net	(0.4)	(0.1)
Segment Reconciling Items
Income:
Long-term incentive compensation expense	(3.9)	(3.2)
Pension and postretirement expense	0.0	(0.1)
Special charges, net	(2.0)	(0.5)
HVAC segment
Revenues:
Revenues	127.7	110.1
Income:
Special charges, net	0.0	(0.1)
HVAC segment \| Reportable and other operating segments
Income:
Consolidated operating income	18.6	16.5
Detection and Measurement segment
Revenues:
Revenues	65.6	53.6
Income:
Special charges, net	0.0	(0.3)
Detection and Measurement segment \| Reportable and other operating segments
Income:
Consolidated operating income	15.7	11.2
Engineered Solutions segment
Revenues:
Revenues	158.6	176.9
Income:
Special charges, net	(1.6)	0.0
Engineered Solutions segment \| Reportable and other operating segments
Income:
Consolidated operating income	$ 2.7	$ 6.6
Minimum
Information on reportable segments and other operating segments
Number of countries in which entity operates (over 15 countries) \| country	14
Number of countries in which entity sells its products and services (over 100 countries) \| country	100

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