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.

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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

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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=pkoh_ApolloAerospaceGroupMember
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Acquisitions (Schedule of Acquisitions) (Details) - USD ($) $ in Millions				6 Months Ended
	Dec. 04, 2014	Oct. 10, 2014	Jun. 10, 2014	Jun. 30, 2015	Jun. 30, 2014
Business Acquisition [Line Items]
Purchase consideration				$ 0.0	$ 5.9
Saet S.p.A [Member] \| Engineered Products [Member]
Business Acquisition [Line Items]
Purchase consideration	$ 22.1
Percentage of equity acquired	100.00%
Autoform Tool & Manufacturing [Member] \| Assembly Components [Member]
Business Acquisition [Line Items]
Purchase consideration		$ 48.9
Percentage of equity acquired		100.00%
Apollo Group Limited [Member]
Business Acquisition [Line Items]
Purchase consideration			$ 6.5
Apollo Group Limited [Member] \| Supply Technologies [Member]
Business Acquisition [Line Items]
Purchase consideration			$ 6.5
Percentage of equity acquired			100.00%