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Symphony Dynamo, Inc. - Additional Information (Detail) - SDI - USD ($)	1 Months Ended	12 Months Ended
	Nov. 30, 2009	Dec. 31, 2015
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Business acquisition contingent consideration percentage	50.00%
Business acquisition upfront payment	$ 50,000,000
Milestone payments		$ 0

X

- Definition

Business acquisition contingent consideration percentage.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Milestone payments.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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