Acquisition of Businesses - Summary of Unaudited Pro forma Results of Operations Attributable to Viad (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Business Combinations [Abstract]
Revenue	$ 249,314	$ 246,601	$ 534,724	$ 516,040
Depreciation and amortization	8,041	7,354	15,097	14,583
Segment operating income	10,498	9,796	23,339	15,185
Net income attributable to Viad	$ 6,253	$ 6,047	$ 14,327	$ 6,985
Diluted net income per share	$ 0.31	$ 0.30	$ 0.71	$ 0.34
Basic net income per share	$ 0.31	$ 0.30	$ 0.71	$ 0.34

Business acquisitions pro forma depreciation depletion and amortization.

No definition available.

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- Definition

Business acquisitions pro forma operating income.

+ References

No definition available.

+ Details

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- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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