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

No definition available.

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Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

+ Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
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Balance Type:	na
Period Type:	duration

- 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

+ Details

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

Long-Term Debt and Lines of Credit - Lines of Credit Narrative (Detail)	0 Months Ended			3 Months Ended		3 Months Ended			3 Months Ended
	Aug. 13, 2013 Subsequent Event [Member] Revolving Credit Facility [Member] New Credit Agreement [Member] USD ($)	Jul. 28, 2013 United States [Member] Amended and Restated Credit Agreement [Member] USD ($)	Apr. 28, 2013 United States [Member] Amended and Restated Credit Agreement [Member] USD ($)	Jul. 28, 2013 United States [Member] Revolving Credit Facility [Member] Amended and Restated Credit Agreement [Member] USD ($)	Apr. 28, 2013 United States [Member] Revolving Credit Facility [Member] Amended and Restated Credit Agreement [Member] USD ($)	Jul. 28, 2013 China [Member] Revolving credit agreement [Member] USD ($)	Jul. 28, 2013 China [Member] Revolving credit agreement [Member] CNY	Apr. 28, 2013 China [Member] Revolving credit agreement [Member] USD ($)	Jul. 28, 2013 Poland [Member] Revolving credit agreement [Member] USD ($)	Jul. 28, 2013 Poland [Member] Revolving credit agreement [Member] PLN	Apr. 28, 2013 Poland [Member] Revolving credit agreement [Member] USD ($)	Apr. 28, 2013 Poland [Member] Revolving credit agreement [Member] PLN
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 10,000,000			$ 7,600,000		$ 6,500,000	40,000,000		$ 2,100,000	6,800,000
Applicable interest rate at end of period				1.79%					4.625%	4.625%
Interest rate description	Interest is charged at a rate equal to the one-month LIBOR rate plus a spread based on our ratio of debt to EBITDA as defined in the agreement.			This agreement provided for a pricing matrix to determine the interest rate payable on loans made under the agreement		This agreement has an interest rate determined by the Chinese government	This agreement has an interest rate determined by the Chinese government		This agreement bears interest at WIBOR (Warsaw Interbank Offered Rate) plus 2%	This agreement bears interest at WIBOR (Warsaw Interbank Offered Rate) plus 2%
Letter of credit, outstanding amount		195,000	195,000
Outstanding amount				$ 0	$ 0	$ 0	0	$ 0	$ 560,000	1,800,000	$ 561,000	1,800,000
Expiration date	Aug. 31, 2015					Jun. 08, 2014	Jun. 08, 2014		Aug. 31, 2015	Aug. 31, 2015
Reference rate on which the interest rate is based	One-month LIBOR Rate								Warsaw Interbank Offered Rate	Warsaw Interbank Offered Rate
Percent added to reference rate in effect from time to time to set the interest rate									2.00%	2.00%