Revolving Credit Facility and Bank Borrowings (Components Of Our Consolidated Debt And Capital Lease Obligations) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total debt obligations	$ 2,329	$ 6,375
Capital Lease Obligations	49	24
Total bank borrowings and capital lease obligations	2,378	6,399
Current maturities	2,338	4,772
Long-term borrowings and capital lease obligations	40	1,627
Revolving Credit Facility [Member] \| Senior Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Available borrowing capacity	$ 78,700	$ 73,700
Base Rate [Member] \| Revolving Credit Facility [Member] \| Maximum [Member] \| Senior Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Margin on variable rate (percent)	0.75%
Base Rate [Member] \| Revolving Credit Facility [Member] \| Minimum [Member] \| Senior Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Margin on variable rate (percent)	0.50%
LIBOR [Member] \| Revolving Credit Facility [Member] \| Asia Pacific Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Margin on variable rate (percent)	2.10%
LIBOR [Member] \| Revolving Credit Facility [Member] \| Maximum [Member] \| Senior Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Margin on variable rate (percent)	1.75%
LIBOR [Member] \| Revolving Credit Facility [Member] \| Minimum [Member] \| Senior Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Margin on variable rate (percent)	1.50%

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7

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+ References

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ 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)
-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 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Amount of long-term debt and capital lease obligations including current maturities.

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