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Segment Information - Financial Information by Reportable Segment (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 26, 2015 | Sep. 30, 2016 | Sep. 26, 2015
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 1,210.7 | $ 1,112.8 | $ 3,701.9 | $ 3,327.4
Segment Income (Loss) | 216.2 | 187.5 | 635.1 | 526.8
Water Quality Systems [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 328.6 | 322.0 | 1,057.2 | 1,016.6
Segment Income (Loss) | 69.6 | 60.5 | 229.5 | 200.5
Flow & Filtration Solutions [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 342.7 | 362.7 | 1,049.1 | 1,087.4
Segment Income (Loss) | 49.5 | 53.2 | 144.5 | 146.7
Technical Solutions [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 543.1 | 432.3 | 1,608.3 | 1,235.2
Segment Income (Loss) | 119.6 | 101.0 | 344.0 | 265.0
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | (3.7) | (4.2) | (12.7) | (11.8)
Segment Income (Loss) | $ (22.5) | $ (27.2) | $ (82.9) | $ (85.4)

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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