Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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BUSINESS COMBINATIONS - Intangible Assets Acquired as Part of Business Combination (Details) - USD ($) $ in Thousands	Oct. 19, 2018	Sep. 29, 2017	Mar. 24, 2017	Feb. 08, 2017
Handy
Business Acquisition
Total identifiable intangible assets acquired	$ 38,800
Handy \| Developed technology
Business Acquisition
Finite-lived intangible assets acquired	$ 15,600
Weighted-Average Useful Life (Years)	4 years
Handy \| User base
Business Acquisition
Finite-lived intangible assets acquired	$ 3,400
Weighted-Average Useful Life (Years)	1 year
Handy \| Retail partners
Business Acquisition
Finite-lived intangible assets acquired	$ 600
Weighted-Average Useful Life (Years)	3 years
Handy \| Service professionals
Business Acquisition
Finite-lived intangible assets acquired	$ 400
Weighted-Average Useful Life (Years)	1 year
Angie's List
Business Acquisition
Total identifiable intangible assets acquired		$ 317,300
Angie's List \| Developed technology
Business Acquisition
Finite-lived intangible assets acquired		$ 63,900
Weighted-Average Useful Life (Years)		6 years
Angie's List \| Memberships
Business Acquisition
Finite-lived intangible assets acquired		$ 15,900
Weighted-Average Useful Life (Years)		3 years
Angie's List \| User base
Business Acquisition
Finite-lived intangible assets acquired		$ 10,000
Weighted-Average Useful Life (Years)		1 year
Angie's List \| Service professionals
Business Acquisition
Finite-lived intangible assets acquired		$ 90,500
Weighted-Average Useful Life (Years)		3 years
HomeStars
Business Acquisition
Total identifiable intangible assets acquired				$ 6,414
HomeStars \| Developed technology
Business Acquisition
Finite-lived intangible assets acquired				$ 1,522
Weighted-Average Useful Life (Years)				2 years
HomeStars \| User base
Business Acquisition
Finite-lived intangible assets acquired				$ 99
Weighted-Average Useful Life (Years)				1 year
HomeStars \| Contractor relationships
Business Acquisition
Finite-lived intangible assets acquired				$ 2,435
Weighted-Average Useful Life (Years)				2 years
MyBuilder
Business Acquisition
Total identifiable intangible assets acquired			$ 15,239
MyBuilder \| Developed technology
Business Acquisition
Finite-lived intangible assets acquired			$ 1,499
Weighted-Average Useful Life (Years)			2 years
MyBuilder \| User base
Business Acquisition
Finite-lived intangible assets acquired			$ 1,624
Weighted-Average Useful Life (Years)			1 year
MyBuilder \| Contractor relationships
Business Acquisition
Finite-lived intangible assets acquired			$ 4,122
Weighted-Average Useful Life (Years)			2 years
Indefinite-lived trade name and trademarks \| Handy
Business Acquisition
Indefinite-lived trade name and trademarks	$ 18,800
Indefinite-lived trade name and trademarks \| Angie's List
Business Acquisition
Indefinite-lived trade name and trademarks		$ 137,000
Indefinite-lived trade name and trademarks \| HomeStars
Business Acquisition
Indefinite-lived trade name and trademarks				$ 2,358
Indefinite-lived trade name and trademarks \| MyBuilder
Business Acquisition
Indefinite-lived trade name and trademarks			$ 7,994