Represents the number of countries in which the entity sells its products and services.

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The amount of expenses at the corporate level which are not otherwise separately disclosed and are not allocated to the reportable segments or other operating segments for reporting purposes.

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Amount charged against earnings in the period for incurred and estimated costs associated with an exit from business activities or restructuring pursuant to a duly authorized plan, excluding asset retirement obligations. Such costs include charges associated with employee terminations, lease terminations, asset impairments, etc.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The number of countries in which the entity operates as of balance sheet date.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount of expense classified as other.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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INFORMATION ON REPORTABLE AND OTHER OPERATING SEGMENTS (Details) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 29, 2019 USD ($) country	Mar. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 29, 2019 USD ($) country segment	Jun. 30, 2018 USD ($)
Information on reportable segments and other operating segments
Number of countries in which entity operates (over 15 countries) \| country	17			17
Number of reportable segments \| segment				3
Revenues:
Revenues	$ 372.4		$ 379.2	$ 716.0	$ 731.1
Income (loss):
Consolidated operating income	26.3		22.7	29.3	42.0
Special charges, net	(1.3)		(1.6)	(1.4)	(3.6)
Other operating expenses	0.0		0.0	(1.8)	0.0
Operating Segments
Income (loss):
Consolidated operating income	41.4		41.0	62.2	78.0
Corporate
Income (loss):
Corporate expense	(10.5)		(12.5)	(22.9)	(24.3)
Special charges, net	0.0		0.0	0.0	(0.4)
Segment Reconciling Items
Income (loss):
Long-term incentive compensation expense	(3.3)		(4.2)	(6.8)	(8.1)
Special charges, net	(1.3)		(1.6)	(1.4)	(3.6)
Other operating expenses	0.0		0.0	(1.8)	0.0
HVAC reportable segment
Revenues:
Revenues	130.9		139.7	259.3	267.4
Income (loss):
Special charges, net	(0.6)		0.0	(0.7)	0.0
HVAC reportable segment \| Operating Segments
Income (loss):
Consolidated operating income	16.7		18.5	35.1	37.1
Detection and Measurement reportable segment
Revenues:
Revenues	101.7		74.6	186.8	140.2
Income (loss):
Special charges, net	0.0		0.0	0.0	0.0
Detection and Measurement reportable segment \| Operating Segments
Income (loss):
Consolidated operating income	21.7		16.5	38.7	32.2
Engineered Solutions reportable segment
Revenues:
Revenues	139.0		135.4	277.0	263.2
Income (loss):
Special charges, net	(0.4)		0.0	(0.4)	0.0
Engineered Solutions reportable segment \| Operating Segments
Income (loss):
Consolidated operating income	13.0		10.4	21.0	17.2
All Other
Revenues:
Revenues	0.8		29.5	(7.1)	60.3
Income (loss):
Consolidated operating income	(10.0)		(4.4)	(32.6)	(8.5)
Special charges, net	$ (0.3)		$ (1.6)	$ (0.3)	$ (3.2)
Minimum
Information on reportable segments and other operating segments
Number of countries in which entity sells its products and services (over 100 countries) \| country	100			100
Contracts Accounted for under Percentage of Completion \| South Africa \| Large Power Projects \| All Other \| Operating Segments
Revenues:
Revenues	$ (6.0)	$ (17.5)		$ 10.8