The amount of cash paid during the reporting period for charges associated with the consolidation and relocation of operations, disposition or abandonment of operations or productive assets (that is, for reorganizing and restructuring charges and other related expenses). These charges may be incurred in connection with a business combination, change in strategic plan, a managerial response to declines in demand, increasing costs or other environmental factors.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28

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Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 146
-Paragraph 20

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 95-3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

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Amount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination and to asset retirement obligations.

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Amount of foreign currency translation adjustment increasing or decreasing the accrual for a specified type of restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 95-3

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Restructuring Charges (Accrued Restructuring Balances) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Additional restructuring charges related to the closure of the Dublin facility during the second half of 2011			$ 2,500,000
Balance as of December 31, 2010			4,009,000
Restructuring charges	480,000	0	480,000	1,697,000
Cash payment			(1,965,000)
Foreign exchange adjustments			258,000
Balance as of June 30, 2011	2,782,000		2,782,000
Severance [Member] \| 2011 [Member]
Restructuring charges			448,000
Cash payment			(59,000)
Balance as of June 30, 2011	389,000		389,000
Severance [Member] \| 2010 [Member]
Balance as of December 31, 2010			1,767,000
Restructuring charges			(20,000)
Cash payment			(771,000)
Foreign exchange adjustments			118,000
Balance as of June 30, 2011	1,094,000		1,094,000
Lease Facility Costs [Member] \| 2009 [Member]
Balance as of December 31, 2010			1,506,000
Restructuring charges			(22,000)
Cash payment			(362,000)
Foreign exchange adjustments			133,000
Balance as of June 30, 2011	1,255,000		1,255,000
Other Exit Costs [Member] \| 2010 [Member]
Balance as of December 31, 2010			709,000
Restructuring charges			74,000
Cash payment			(770,000)
Foreign exchange adjustments			7,000
Balance as of June 30, 2011	20,000		20,000
Other Exit Costs [Member] \| 2009 [Member]
Balance as of December 31, 2010			27,000
Restructuring charges			0
Cash payment			(3,000)
Foreign exchange adjustments			0
Balance as of June 30, 2011	24,000		24,000
2011 [Member]
Restructuring charges			448,000
Cash payment			(59,000)
Balance as of June 30, 2011	389,000		389,000
2010 [Member]
Balance as of December 31, 2010			2,476,000
Restructuring charges			54,000
Cash payment			(1,541,000)
Foreign exchange adjustments			125,000
Balance as of June 30, 2011	1,114,000		1,114,000
2009 [Member]
Balance as of December 31, 2010			1,533,000
Restructuring charges			(22,000)
Cash payment			(365,000)
Foreign exchange adjustments			133,000
Balance as of June 30, 2011	$ 1,279,000		$ 1,279,000