Acquisitions (Details) (USD $) In Millions, unless otherwise specified	Aug. 01, 2011	Mar. 31, 2011
Acquisitions (Textuals) [Abstract]
Business Acquisition, Cost of Acquired Entity, Purchase Price	$ 19.4	$ 15.4
Business Acquisition, Contingent Consideration, Potential Cash Payment	2.4
Goodwill	10.9	4.4
Business Acquisition, Purchase Price Allocation, Intangible Assets	13.3	9.9
Portion of Current Year $15.4MM Price Related to X-ray Inspection Solution Business Acquisition [Member]
Acquisitions (Textuals) [Abstract]
Business Acquisition, Cost of Acquired Entity, Purchase Price		12.0
U.S. Operations Segment [Member]
Acquisitions (Textuals) [Abstract]
Goodwill		1.9
Swiss Operations Segment [Member]
Acquisitions (Textuals) [Abstract]
Goodwill		$ 2.5

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Amount of goodwill arising from a business combination, as allocated between operating segments.

+ References

No definition available.

+ Details

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- Definition

The amount of acquisition cost of a business combination allocated to identifiable intangible assets that will or will not be amortized based on the type of intangible (finite life or indefinite life). Does not include goodwill.

+ References

No definition available.

+ Details

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- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 53

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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