XML 72 R55.htm IDEA: XBRL DOCUMENT v3.20.4
Schedule of Basic and Diluted Earnings per Common Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Net income attributable to Watsco, Inc. shareholders $ 46,010 $ 106,489 $ 86,578 $ 30,502 $ 37,278 $ 83,480 $ 90,155 $ 35,037 $ 269,579 $ 245,950 $ 242,932
Less: distributed and undistributed earnings allocated to non-vested restricted common stock                 23,140 20,412 19,792
Earnings allocated to Watsco, Inc. shareholders - Basic                 $ 246,439 $ 225,538 $ 223,140
Weighted-average common shares outstanding - Basic                 35,069,516 34,644,700 34,319,890
Basic earnings per share for Common and Class B common stock $ 1.14 [1] $ 2.77 [1] $ 2.26 [1] $ 0.72 [1] $ 0.92 [1] $ 2.20 [1] $ 2.40 [1] $ 0.88 [1] $ 7.03 [1] $ 6.51 [1] $ 6.50
Net income attributable to Watsco, Inc. shareholders $ 46,010 $ 106,489 $ 86,578 $ 30,502 $ 37,278 $ 83,480 $ 90,155 $ 35,037 $ 269,579 $ 245,950 $ 242,932
Less: distributed and undistributed earnings allocated to non-vested restricted common stock - Diluted                 23,140 20,411 19,788
Earnings allocated to Watsco, Inc. shareholders - Diluted                 $ 246,439 $ 225,539 $ 223,144
Weighted-average common shares outstanding - Basic                 35,069,516 34,644,700 34,319,890
Effect of dilutive stock options                 81,055 30,941 54,379
Weighted-average common shares outstanding - Diluted                 35,150,571 34,675,641 34,374,269
Diluted earnings per share for Common and Class B common stock $ 1.14 [1] $ 2.76 [1] $ 2.26 [1] $ 0.72 [1] $ 0.92 [1] $ 2.20 [1] $ 2.40 [1] $ 0.88 [1] $ 7.01 [1] $ 6.50 [1] $ 6.49
Common Stock                      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Earnings allocated to Watsco, Inc. shareholders - Basic                 $ 228,361 $ 208,779 $ 206,355
Class B Common Stock                      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Earnings allocated to Watsco, Inc. shareholders - Basic                 $ 18,078 $ 16,759 $ 16,785
[1] Quarterly and year-to-date earnings per share are calculated on an individual basis; therefore, the sum of earnings per share amounts for the quarters may not equal earnings per share amounts for the year.