Per Share Data and Stockholders' Equity	6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]
Per Share Data and Stockholders' Equity	Earnings Per Share – The calculation of diluted earnings per share considers the potential dilutive effect of restricted stock units, restricted stock awards and stock options granted under Sonic’s stock compensation plans (and any non-forfeitable dividends paid on such awards).

The entire disclosure for earnings per share.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-URI https://asc.fasb.org/topic&trid=2144383

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257

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