Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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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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Segment Information Detailed Segment Data (Details) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jul. 01, 2016 USD ($)	Apr. 01, 2016 USD ($)	Dec. 31, 2015 USD ($)	Oct. 02, 2015 USD ($)	Jul. 03, 2015 USD ($)	Apr. 03, 2015 USD ($)	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting [Abstract]
Number of Operating Segments \| segment									2
Segment Reporting Information [Line Items]
Sales	$ 1,627.1	$ 1,567.4	$ 1,555.1	$ 1,474.7	$ 1,575.8	$ 1,524.6	$ 1,564.9	$ 1,513.5	$ 6,224.3	$ 6,178.8	$ 6,337.2
Operating profit	337.7	$ 323.2	$ 322.1	$ 263.0	338.1	$ 301.8	$ 335.7	$ 294.1	1,246.0	1,269.7	1,245.3
Identifiable assets	8,189.8				7,210.6				8,189.8	7,210.6	7,355.6
Depreciation and amortization									176.4	176.9	178.0
Capital expenditures, gross									129.6	120.1	102.6
Operating Segments [Member] \| Professional Instrumentation [Member]
Segment Reporting Information [Line Items]
Sales									2,891.6	2,974.2	3,121.6
Operating profit									642.3	694.8	691.6
Identifiable assets	3,905.2				3,894.0				3,905.2	3,894.0	4,124.6
Depreciation and amortization									99.4	103.5	107.4
Capital expenditures, gross									36.2	34.6	30.0
Operating Segments [Member] \| Industrial Technologies [Member]
Segment Reporting Information [Line Items]
Sales									3,332.7	3,204.6	3,215.6
Operating profit									667.4	617.2	597.0
Identifiable assets	3,294.8				3,316.6				3,294.8	3,316.6	3,231.0
Depreciation and amortization									75.7	73.4	70.6
Capital expenditures, gross									84.4	85.5	72.6
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Operating profit									(63.7)	(42.3)	(43.3)
Identifiable assets	$ 989.8				$ 0.0				989.8	0.0	0.0
Depreciation and amortization									1.3	0.0	0.0
Capital expenditures, gross									$ 9.0	$ 0.0	$ 0.0