Current and noncurrent portions of long-term debt and capital lease obligations.

No definition available.

Name:	foe_CurrentAndNoncurrentLongTermDebtAndCapitalLeaseObligations
Namespace Prefix:	foe_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of all foreign currency derivatives not designated as hedging instruments.

+ References

No definition available.

+ Details

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Namespace Prefix:	foe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

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

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585

+ Details

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

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

+ Details

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

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13476-108611

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value as of the balance sheet date of all foreign currency derivatives not designated as hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

+ Details

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

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-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 210.5-02.19(a))

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13)

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

Reference 4: 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.(a),16(a)(1))

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

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Subparagraph a(1)

-Article 7

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13

-Subparagraph 2, 3

-Article 9

+ Details

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

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

+ References

No definition available.

+ Details

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

Financial Instruments - Financial Instruments Measured at Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Cash and cash equivalents	$ 30,662	$ 29,576	$ 25,367	$ 22,991
Loans payable	(38,881)	(48,599)
Carrying Amount	(300,165)	(298,177)
Foreign currency forward contracts, net	494	(4,758)
Cash and cash equivalents, Fair Value	30,662	29,576
Loans payable, Fair Value	(38,881)	(48,599)
Foreign currency forward contracts, net, Fair Value	494	(4,758)
7.875% Senior Notes [Member]
Debt Instrument [Line Items]
Carrying Amount	(250,000)	(250,000)
Fair Value	(258,750)	(231,500)
6.50% Convertible Senior Notes, Net of Unamortized Discounts [Member]
Debt Instrument [Line Items]
Carrying Amount	(34,914)	(34,417)
Fair Value	(34,540)	(34,803)
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Carrying Amount	(3,977)	(2,596)
Fair Value	(4,080)	(2,634)
Other Long-term Notes Payable [Member]
Debt Instrument [Line Items]
Carrying Amount	(5,280)	(4,731)
Fair Value	(4,394)	(3,937)
Level 1 [Member]
Debt Instrument [Line Items]
Cash and cash equivalents, Fair Value	30,662	29,576
Level 2 [Member]
Debt Instrument [Line Items]
Loans payable, Fair Value	(38,881)	(48,599)
Foreign currency forward contracts, net, Fair Value	494	(4,758)
Level 2 [Member] \| 7.875% Senior Notes [Member]
Debt Instrument [Line Items]
Fair Value	(258,750)	(231,500)
Level 2 [Member] \| 6.50% Convertible Senior Notes, Net of Unamortized Discounts [Member]
Debt Instrument [Line Items]
Fair Value	(34,540)	(34,803)
Level 2 [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Fair Value	(4,080)	(2,634)
Level 2 [Member] \| Other Long-term Notes Payable [Member]
Debt Instrument [Line Items]
Fair Value	(4,394)	(3,937)
Level 3 [Member]
Debt Instrument [Line Items]
Cash and cash equivalents, Fair Value
Loans payable, Fair Value
Foreign currency forward contracts, net, Fair Value
Level 3 [Member] \| 7.875% Senior Notes [Member]
Debt Instrument [Line Items]
Fair Value
Level 3 [Member] \| 6.50% Convertible Senior Notes, Net of Unamortized Discounts [Member]
Debt Instrument [Line Items]
Fair Value
Level 3 [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Fair Value
Level 3 [Member] \| Other Long-term Notes Payable [Member]
Debt Instrument [Line Items]
Fair Value