Number of shares of equity interests issued or issuable to acquire entity.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(4)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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- Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ 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 (c)

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

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- 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=31042434&loc=d3e3213-108585

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Acquisitions (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended
	Jan. 27, 2015	Apr. 02, 2014	Jan. 02, 2014
IAL [Member]
Business Acquisition [Line Items]
Percent of membership interests acquired	100.00%
Consideration transferred, cash payments	$ 1.3
Consideration transferred, common stock issued, shares	60,024
SiteLark [Member]
Business Acquisition [Line Items]
Percent of membership interests acquired		100.00%
Consideration transferred, cash payments		0.4
Consideration transferred, common stock issued, shares		5,327
EOGA [Member]
Business Acquisition [Line Items]
Percent of membership interests acquired			100.00%
Consideration transferred, cash payments			$ 5.3
Consideration transferred, common stock issued, shares			94,354