Business Acquisition, Percentage of Acquisition Date Fair Value of Noncontrolling Interests

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- Definition

Business Acquisition, Pro Forma Information, Adjustment To Increase (Decrease) Amortization Of Intangible Assets

+ References

No definition available.

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- Definition

Business Acquisition, Pro Forma Information, Adjustment To Increase (Decrease) Revenues

+ References

No definition available.

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- Definition

Business Acquisition, Pro Forma Information, Adjustment To Increase (Decrease) Share-Based Compensation

+ References

No definition available.

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- Definition

Business Acquisition, Pro Forma Information, Adjustment To Increase (Decrease) Transaction Related Costs

+ References

No definition available.

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- Definition

Business Combination, Cash Paid To Holders Of Acquiree Common Stock, Per Share

+ References

No definition available.

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- Definition

Business Combination, Percentage of Enterprise Value of Business Using Purchase Price

+ References

No definition available.

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- Definition

Business Combination, Working Capital Adjustment

+ References

No definition available.

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- Definition

Business Combination, Write-Off Due to Deferred Revenue

+ References

No definition available.

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- 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.

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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=79982066&loc=d3e1392-128463

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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-Publisher FASB
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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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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.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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BUSINESS COMBINATIONS - NARRATIVE (Details) $ / shares in Units, $ in Thousands, € in Millions, £ in Millions, $ in Millions								3 Months Ended								12 Months Ended
	Sep. 29, 2017 USD ($) $ / shares	Mar. 24, 2017 USD ($)	Mar. 24, 2017 GBP (£)	Feb. 08, 2017 USD ($)	Feb. 08, 2017 CAD ($)	Nov. 03, 2016 USD ($)	Nov. 03, 2016 EUR (€)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Mar. 24, 2017 GBP (£)	Feb. 08, 2017 CAD ($)
Business Acquisition
Severance costs																$ 19,800
Revenue								$ 223,213	$ 181,717	$ 180,711	$ 150,745	$ 123,668	$ 133,560	$ 130,173	$ 111,489	736,386	$ 498,890	$ 361,201
Angie's List
Business Acquisition
Percentage of voting interests acquired	100.00%
Consideration transferred	$ 781,384
Share price (USD per share) \| $ / shares	$ 12.46
Cash acquisition price	$ 1,900															35,621
Cash paid to holders of acquiree common stock (in dollars per share) \| $ / shares	$ 8.50
Revenue																58,900
Net earnings																21,700
Severance costs																19,800
Write-off due to deferred revenue																7,800
HomeStars
Business Acquisition
Percentage of voting interests acquired				90.00%																90.00%
Cash acquisition price				$ 12,700	$ 16.6
Working capital adjustment				$ 200																$ 0.3
Percentage of noncontrolling interests				10.00%	10.00%
fair value at acquisition				$ 1,400	$ 1.9
Percentage of enterprise value of business using purchase price				100.00%	100.00%
Revenue																6,500
Net income (loss)																(1,200)
MyBuilder
Business Acquisition
Percentage of voting interests acquired		75.00%																	75.00%
Cash acquisition price		$ 40,700	£ 32.6
Working capital adjustment		$ 800																	£ 0.6
Percentage of noncontrolling interests		25.00%	25.00%
fair value at acquisition		$ 13,300	£ 10.7
Percentage of enterprise value of business using purchase price		100.00%	100.00%
Revenue																8,000
Net income (loss)																$ (1,400)
MyHammer
Business Acquisition
Percentage of voting interests acquired						70.00%	70.00%	81.10%								81.10%
Consideration transferred						$ 19,700	€ 17.7
Percentage of noncontrolling interests						30.00%	30.00%
fair value at acquisition						$ 10,400	€ 9.4
Revenue																$ 12,700	1,300
Net income (loss)																100	(400)
Acquisition-related Costs
Business Acquisition
Severance costs																28,700
Adjustment to decrease transaction related costs																35,200
Modification of Equity Awards
Business Acquisition
Business Acquisition, Pro Forma Information, Adjustment To Increase (Decrease) Share-Based Compensation																(96,900)	(81,700)
Amortization Adjustment
Business Acquisition
Adjustment to decrease amortization of intangible assets																$ (31,200)	(64,000)
Deferred Revenue Write Off Adjustment
Business Acquisition
Adjustment to decrease revenues																	$ 35,000