Business Combinations and Dispositions - Fair Value Consideration (Detail) (Opnext, USD $) In Thousands, unless otherwise specified	0 Months Ended
Jul. 23, 2012	Jul. 23, 2012
Opnext
Business Acquisition [Line Items]
Common shares issued to Opnext stockholders	$ 88,742
Estimated fair value of vested stock options assumed		1,095
Estimated fair value of vested stock appreciation rights assumed		5
Total consideration		$ 89,842

Business Acquisition Cost of Acquired Entity Estimated Fair Value of Stock Appreciation Rights Assumed

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- Definition

Business Acquisition Cost Of Acquired Entity Estimated Fair Value Of Stock Options Assumed

+ References

No definition available.

+ Details

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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

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