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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Schedule Of Basic And Diluted Earnings Per Common Share

		Quarter Ended September 30,								Nine Months Ended September 30,
		2011				2010				2011				2010
Basic Earnings per Share:
Net income attributable to Watsco, Inc. shareholders		$	33,547			$	31,437			$	77,070			$	70,315
Less: distributed and undistributed earnings allocated to non-vested (restricted) common stock			2,295				1,835				5,105				4,182
Earnings allocated to Watsco, Inc. shareholders		$	31,252			$	29,602			$	71,965			$	66,133
Weighted-average Common and Class B common shares outstanding for basic earnings per share			30,694,844				30,499,889				30,660,843				30,442,941
Basic earnings per share for Common and Class B common stock		$	1.02			$	0.97			$	2.35			$	2.17
Allocation of earnings for Basic:
Common stock		$	28,347			$	26,828			$	65,268			$	59,923
Class B common stock			2,905				2,774				6,697				6,210
		$	31,252			$	29,602			$	71,965			$	66,133
Diluted Earnings per Share:
Net income attributable to Watsco, Inc. shareholders		$	33,547			$	31,437			$	77,070			$	70,315
Less: distributed and undistributed earnings allocated to non-vested (restricted) common stock			2,293				1,833				5,101				4,178
Earnings allocated to Watsco, Inc. shareholders		$	31,254			$	29,604			$	71,969			$	66,137

Schedule Of Weighted-Average Basic And Diluted Common Shares Outstanding

Weighted-average Common and Class B common shares outstanding for basic earnings per share			30,694,844				30,499,889				30,660,843				30,442,941
Effect of dilutive stock options			63,688				101,332				80,452				115,792
Weighted-average Common and Class B common shares outstanding for diluted earnings per share			30,758,532				30,601,221				30,741,295				30,558,733

Schedule Of Diluted Earnings Per Share For Common And Class B Common Stock

Diluted earnings per share for Common and Class B common stock $ 1.02 $ 0.97 $ 2.34 $ 2.16

Schedule Of Anti-Dilutive Stock Options

Anti-dilutive stock options not included in above 132,750 199,826 22,322 144,756

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 40

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Tabular disclosure of an entity's basic and diluted earnings per share calculations.

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Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Topic 260

-SubTopic 10

-Publisher FASB

-Number

-Article

-Subparagraph

-Name Accounting Standards Codification

-Paragraph 1

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Schedule of diluted earnings per share for all classes of common stock

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