Business Combination, Consideration Transferred, Liabilities Incurred

No definition available.

Name:	pkoh_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
Namespace Prefix:	pkoh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt Instrument, Term

+ References

No definition available.

+ Details

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- Definition

Number of Production Facilities Held by Acquiree

+ References

No definition available.

+ Details

Name:	pkoh_NumberofProductionFacilitiesHeldbyAcquiree
Namespace Prefix:	pkoh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ 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 (h)(1)

-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph r(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ 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 (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15, 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

+ Details

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Acquisition - Textual (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		0 Months Ended		6 Months Ended	0 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Apr. 26, 2013 Bates Acquisition, LLC and Bates Real Estate Acquisition, LLC [Member]	Mar. 23, 2012 Fluid Routing Solutions Holding Corp [Member] Facility	Jun. 30, 2012 Fluid Routing Solutions Holding Corp [Member]	Mar. 23, 2012 Fluid Routing Solutions Holding Corp [Member] Term loan [Member]	Mar. 23, 2012 Fluid Routing Solutions Holding Corp [Member] Revolving credit facility [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Business acquisition, purchase price	$ 20.8	$ 96.7	$ 20.8	$ 98.8
Number of production facilities held by acquiree				5
Revenues attributable to acquisition					61.0
Net income attributable to acquisition					4.4
Funding of acquisition, cash				40.0
Funding of acquisition, liabilities incurred						$ 25.0	$ 33.8
Term loan, period						7 years