Commitments and contingencies.

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- Definition

Loss Contingency, Patents Allegedly Infringed, Number of Patents to Trial

+ References

No definition available.

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- Definition

Number of lease agreements.

+ References

No definition available.

+ Details

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- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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- Definition

Number of another entity's patents that the entity has allegedly infringed.

+ References

No definition available.

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Commitments and Contingencies - Additional Information (Details)	Mar. 15, 2016 USD ($)	Nov. 26, 2013 patent	Jul. 31, 2016 USD ($) lease_agreement	Jan. 31, 2016 USD ($)
Commitments And Contingencies [Line Items]
Outstanding letters of credit			$ 7,700,000	$ 7,100,000
Royalty damages	$ 14,000,000.0
Maximum
Commitments And Contingencies [Line Items]
Reasonably possible loss contingency (up to)			$ 14,000,000.0
Patent Infringement
Commitments And Contingencies [Line Items]
Patent infringement allegations number of patents \| patent		5
Patent infringement allegations number of patents which went to trial \| patent		2
Office Facility Leases
Commitments And Contingencies [Line Items]
Number of lease agreements \| lease_agreement			3
Total operating lease obligations			$ 39,500,000