Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Long-term Purchase Commitment [Line Items]
Contractual commitment due in 2014	$ 15.3
Contractual commitment due in 2015	15.2
Contractual commitment due in 2016	3.8
Contractual commitment due in 2017	3.8
Contractual commitment due in 2018	3.8
Contractual commitment due after 2018	3.5
Litigation
Estimated probable loss, amount accrued	2.6
Cloud subscription agreement
Long-term Purchase Commitment [Line Items]
Contractual commitment due in 2014	0.8
Contractual commitment due in 2015	$ 1.0

Amount of contractual obligation maturing after the fifth fiscal year following the latest fiscal year.

No definition available.

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- Definition

Amount of contractual obligation maturing in the fifth fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of contractual obligation maturing in the fourth fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of contractual obligation maturing in the next fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of contractual obligation maturing in the second fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of contractual obligation maturing in the third fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Details

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- Definition

Amount of loss contingency liability.

+ 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

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