Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Schedule Of Basic And Diluted Earnings Per Common Share

Quarters Ended March 31,	2012		2011
Basic Earnings per Share:
Net income attributable to Watsco, Inc. shareholders	$	8,466	$	7,500
Less: distributed and undistributed earnings allocated to non-vested (restricted) common stock		1,408		1,152
Earnings allocated to Watsco, Inc. shareholders	$	7,058	$	6,348
Weighted-average Common and Class B common shares outstanding for basic earnings per share		30,756,626		30,601,573
Basic earnings per share for Common and Class B common stock	$	0.23	$	0.21
Allocation of earnings for Basic:
Common stock	$	6,405	$	5,755
Class B common stock		653		593
	$	7,058	$	6,348
Diluted Earnings per Share:
Net income attributable to Watsco, Inc. shareholders	$	8,466	$	7,500
Less: distributed and undistributed earnings allocated to non-vested (restricted) common stock		1,408		1,152
Earnings allocated to Watsco, Inc. shareholders	$	7,058	$	6,348
Weighted-average Common and Class B common shares outstanding for basic earnings per share		30,756,626		30,601,573
Effect of dilutive stock options		77,842		92,779
Weighted-average Common and Class B common shares outstanding for diluted earnings per share		30,834,468		30,694,352
Diluted earnings per share for Common and Class B common stock	$	0.23	$	0.21