XML 37 R27.htm IDEA: XBRL DOCUMENT
v3.21.2

Goodwill (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Text Block [Abstract] |
Schedule of Change in Carrying Amount of Goodwill | The following table sets forth the changes in the carrying amount of goodwill (in thousands):
Balance as of December 31, 2020 (1) |  | $ | 785,305 |
BMC Merger |  |  | 1,751,604 |
All other acquisitions |  |  | 614,609 |
Gypsum Divestiture |  |  | (9,924 | )
Balance as of September 30, 2021 (1) |  | $ | 3,141,594 |
(1)Goodwill is presented net of accumulated impairment losses of $44.6 million.

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration