Acquisitions (Details) (USD $) In Thousands, unless otherwise specified		3 Months Ended			9 Months Ended
Nov. 02, 2010 Micromedics Inc [Member]	Jan. 31, 2011 Micromedics Inc [Member] Customer relationships [Member]	Nov. 02, 2010 Micromedics Inc [Member] Customer relationships [Member]	Jun. 30, 2011 Verbruggen [Member]	Jul. 31, 2011 Verbruggen [Member] Customer relationships [Member]	Jun. 30, 2011 Verbruggen [Member] Customer relationships [Member]
Acquisitions (Textuals) [Abstract]
Acquired percent of the outstanding shares of Micromedics, Inc	100.00%			100.00%
Fair value of the consideration transferred	$ 21,296			$ 13,331
Fair value of the assets acquired and the liabilities assumed, Goodwill	13,312			8,461
Fair value of the assets acquired and the liabilities assumed, intangible assets	$ 7,500		$ 4,550	$ 4,017		$ 2,900
Customer relationships and patent amortization period		10			11

Acquisitions.

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Business combination recognized identifiable assets acquired and liabilities assumed goodwill.

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Amount of cash paid to acquire the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph f(1)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph d

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Percentage of voting equity interests acquired in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph c

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 12, 13, 14, 20, A107

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph i

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The useful life of all finite-lived intangible assets. This may be stated as a fixed number (for example, 10 years) if all assets have the same useful life, or it can be stated in a range (for example, six to eight years) if there is a range of useful lives in the asset group.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 12, 13, 14

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