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GOODWILL AND OTHER INTANGIBLE ASSETS (Details) $ in Millions	9 Months Ended
	Sep. 29, 2018 USD ($)
Changes in the carrying amount of goodwill
Gross goodwill, beginning of the period	$ 838.6
Accumulated impairment, balance at the beginning of the period	(492.7)
Goodwill, balance at the beginning of the period	345.9
Goodwill, acquired during period	48.4
Gross goodwill related to foreign currency translation	(1.8)
Accumulated impairments related to foreign currency translation	1.3
Goodwill related to foreign currency translation	(0.5)
Gross goodwill, end of the period	885.2
Accumulated impairment, balance at the end of the period	(491.4)
Goodwill, balance at the end of the period	393.8
HVAC segment
Changes in the carrying amount of goodwill
Gross goodwill, beginning of the period	263.7
Accumulated impairment, balance at the beginning of the period	(144.7)
Goodwill, balance at the beginning of the period	119.0
Gross goodwill related to foreign currency translation	(0.6)
Accumulated impairments related to foreign currency translation	0.1
Goodwill related to foreign currency translation	(0.5)
Gross goodwill, end of the period	263.1
Accumulated impairment, balance at the end of the period	(144.6)
Goodwill, balance at the end of the period	118.5
Detection and Measurement segment
Changes in the carrying amount of goodwill
Gross goodwill, beginning of the period	216.6
Accumulated impairment, balance at the beginning of the period	(136.0)
Goodwill, balance at the beginning of the period	80.6
Goodwill, acquired during period	48.4
Gross goodwill related to foreign currency translation	(0.5)
Accumulated impairments related to foreign currency translation	0.5
Goodwill related to foreign currency translation	0.0
Gross goodwill, end of the period	264.5
Accumulated impairment, balance at the end of the period	(135.5)
Goodwill, balance at the end of the period	129.0
Engineered Solutions segment
Changes in the carrying amount of goodwill
Gross goodwill, beginning of the period	358.3
Accumulated impairment, balance at the beginning of the period	(212.0)
Goodwill, balance at the beginning of the period	146.3
Gross goodwill related to foreign currency translation	(0.7)
Accumulated impairments related to foreign currency translation	0.7
Goodwill related to foreign currency translation	0.0
Gross goodwill, end of the period	357.6
Accumulated impairment, balance at the end of the period	(211.3)
Goodwill, balance at the end of the period	146.3
Schonstedt
Changes in the carrying amount of goodwill
Goodwill, acquired during period	1.8
Cues, Inc.
Changes in the carrying amount of goodwill
Goodwill, acquired during period	$ 46.6

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