Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

Derivative, Additional Cash Paid on Settlement of Hedge

+ References

No definition available.

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- Definition

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

+ 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(a)(1))

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

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- Definition

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.

+ References

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959

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Borrowings (Interest Rate Swap Narrative) (Details) - USD ($) $ in Millions		3 Months Ended
	May. 13, 2014	Jun. 30, 2014	Sep. 30, 2015	Apr. 01, 2015	May. 09, 2014
Subsidiary, Libbey Glass [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Interest rate					6.875%
Subsidiary, Libbey Glass [Member] \| Senior Loans [Member]
Debt Instrument [Line Items]
Interest rate			3.75%
Fair Value Hedging [Member] \| Interest rate agreements [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount					$ 45.0
Derivative, variable interest rate					5.50%
Derivative, Additional Cash Paid on Settlement of Hedge	$ 1.1
Cash Flow Hedging [Member] \| Interest Rate Agreement \| Senior Loans [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount				$ 220.0
Derivative, Fixed Interest Rate				4.85%
Loss on Redemption of Debt [Member] \| Fair Value Hedging [Member] \| Interest rate agreements [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Gain (loss) on the hedged long-term debt netted with the offsetting gain (loss) on the related designated and de-designated interest rate swap		$ (0.8)