Debt Instrument, Term Over Which Basis Spread on Variable Rate Reduces

No definition available.

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- Definition

Foreign subsidiaries bank guarantee amount.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Foreign subsidiaries borrowings amount.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Inventory Advance Rate

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Inventory Advance Rate to Be Reduced to on a Pro-Rata Quarterly Basis

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Potential

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Option to Increase Capacity

+ References

No definition available.

+ Details

Name:	pkoh_LineofCreditFacilityOptiontoIncreaseCapacity
Namespace Prefix:	pkoh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Term Over Which Inventory Advance Rate Reduces

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

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 210.5-02.22(b))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Subparagraph b

-Article 5

+ Details

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

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
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Balance Type:	na
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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 210.5-02.19(b),22(b))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Balance Type:	credit
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- Details

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Namespace Prefix:
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- Details

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Period Type:

- Details

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- Details

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- Details

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- Details

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Financing Arrangements (Details) (USD $)	0 Months Ended
Financing Arrangements (Details) (USD $)	Jul. 31, 2014	Oct. 24, 2014	Dec. 31, 2014	Dec. 31, 2013	Apr. 07, 2011	Oct. 23, 2014
Line of Credit Facility [Line Items]
Foreign subsidiaries borrowings			$ 0	$ 0
Foreign subsidiaries bank guarantee amount			5,200,000	7,200,000
Weighted average interest rate			5.62%us-gaap_DebtWeightedAverageInterestRate	6.10%us-gaap_DebtWeightedAverageInterestRate
Revolving credit facility
Line of Credit Facility [Line Items]
Senior notes, interest rate			1.69%
Term Loan
Line of Credit Facility [Line Items]
Senior notes, interest rate			2.25%
Standby letters of credit
Line of Credit Facility [Line Items]
Amount outstanding			20,500,000
8.125% senior notes due 2021
Line of Credit Facility [Line Items]
Aggregate principal amount of debt					250,000,000.0
Senior notes, interest rate			8.125%		8.125%
Credit Agreement \| Revolving credit facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	230,000,000.0
Term loan, period	7 years
Option to increase availability	50,000,000.0
Inventory advance rate	50.00%
Credit Agreement \| Revolving credit facility, Canadian sub-limit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	15,000,000.0
Credit Agreement \| Revolving credit facility, European sub-limit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	10,000,000.0
Maximum borrowing capacity, potential	25,000,000.0
Credit Agreement \| Term Loan
Line of Credit Facility [Line Items]
Maximum borrowing capacity	16,100,000.0
Credit Agreement \| LIBOR \| Revolving credit facility \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	1.50%
Credit Agreement \| LIBOR \| Revolving credit facility \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	2.50%
Credit Agreement \| LIBOR \| Term Loan \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	2.00%
Credit Agreement \| LIBOR \| Term Loan \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	3.00%
Credit Agreement \| Prime lending rate \| Revolving credit facility \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	(0.25%)
Credit Agreement \| Prime lending rate \| Revolving credit facility \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	(1.25%)
Credit Agreement \| Prime lending rate \| Term Loan \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	(0.75%)
Credit Agreement \| Prime lending rate \| Term Loan \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	0.25%
Credit Agreement \| Canadian deposit offered rate \| Revolving credit facility, Canadian sub-limit \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	1.50%
Credit Agreement \| Canadian deposit offered rate \| Revolving credit facility, Canadian sub-limit \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	2.50%
Credit Agreement \| Canadian prime lending rate \| Revolving credit facility, Canadian sub-limit \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	0.00%
Credit Agreement \| Canadian prime lending rate \| Revolving credit facility, Canadian sub-limit \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	1.00%
Credit Agreement \| US base rate \| Revolving credit facility, Canadian sub-limit \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	0.00%
Credit Agreement \| US base rate \| Revolving credit facility, Canadian sub-limit \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	1.00%
Amended Credit Agreement \| Revolving credit facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity		250,000,000.0
Inventory advance rate		60.00%
Inventory advance rate reducing back to		50.00%
Term over which inventory advance rate reduces		36 months
Amount outstanding		22,000,000
Term over which basis spread on variable rate reduces		36 months
Unused borrowing capacity			55,400,000
Amended Credit Agreement \| Revolving credit facility, Canadian sub-limit
Line of Credit Facility [Line Items]
Maximum borrowing capacity		25,000,000.0
Amended Credit Agreement \| Revolving credit facility, European sub-limit
Line of Credit Facility [Line Items]
Maximum borrowing capacity		25,000,000.0
Amended Credit Agreement \| Term Loan
Line of Credit Facility [Line Items]
Maximum borrowing capacity		35,000,000.0
Amount outstanding		$ 28,800,000				$ 15,500,000
Amended Credit Agreement \| LIBOR \| Revolving credit facility
Line of Credit Facility [Line Items]
Basis spread on variable interest rate		3.50%