Segment Information - Schedule of Segment Reporting Information by Segment Assets (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Assets	$ 3,631.5us-gaap_Assets	$ 3,740.2us-gaap_Assets
Capital Expenditures	118.8	122.9	83.8
Depreciation and amortization	88.3	86.9	71.1
Industrial Process [Member]
Segment Reporting Information [Line Items]
Assets	1,152.3	1,132.7
Capital Expenditures	40.4	63.0	35.0
Depreciation and amortization	29.1	31.0	17.3
Motion Technologies [Member]
Segment Reporting Information [Line Items]
Assets	450.1	466.2
Capital Expenditures	49.2	31.7	27.1
Depreciation and amortization	30.3	29.6	27.8
Interconnect Solutions [Member]
Segment Reporting Information [Line Items]
Assets	365.4	364.6
Capital Expenditures	20.2	15.6	11.2
Depreciation and amortization	12.8	10.6	10.0
Control Technologies [Member]
Segment Reporting Information [Line Items]
Assets	334.1	344.7
Capital Expenditures	3.8	5.7	6.1
Depreciation and amortization	10.0	10.0	9.3
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Assets	1,329.6	1,432.0
Capital Expenditures	5.2	6.9	4.4
Depreciation and amortization	$ 6.1	$ 5.7	$ 6.7

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.18)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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