Earnings per share (Tables)

12 Months Ended

Dec. 31, 2012

Reconciliations of Numerators and Denominators Used to Calculate Basic and Diluted Net Income Per Share

The reconciliations of the numerators and denominators used to calculate basic and diluted net income per share are as follows:

	Year ended December 31,
	2012			2011			2010
	(shares in thousands)
Basic:
Income from continuing operations attributable to DaVita HealthCare Partners Inc.	$	536,236		$	496,182		$	403,956
Decrease (increase) in noncontrolling interest redemption rights in excess of fair value		—			335			(68	)
Income from continuing operations for basic earnings per share calculation	$	536,236		$	496,517		$	403,888
Discontinued operations attributable to DaVita HealthCare Partners Inc.		(219	)		(18,181	)		1,727
Net income attributable to DaVita HealthCare Partners Inc. for basic earnings per share calculation	$	536,017		$	478,336		$	405,615
Weighted average shares outstanding during the period		96,198			94,655			101,497
Vested stock units		3			3			7
Contingently returnable shares held in escrow for the DaVita HealthCare Partners merger		(183	)		—			—
Weighted average shares for basic earnings per share calculation		96,018			94,658			101,504
Basic income from continuing operations per share attributable to DaVita HealthCare Partners Inc.	$	5.58		$	5.25		$	3.98
Basic net income per share attributable to DaVita HealthCare Partners Inc.	$	5.58		$	5.05		$	4.00
Diluted:
Income from continuing operations attributable to DaVita HealthCare Partners Inc.	$	536,236		$	496,182		$	403,956
Decrease (increase) in noncontrolling interest redemption rights in excess of fair value		—			335			(68	)
Income from continuing operations for diluted earnings per share calculation	$	536,236		$	496,517		$	403,888
Discontinued operations attributable to DaVita HealthCare Partners Inc.		(219	)		(18,181	)		1,727
Net income attributable to DaVita HealthCare Partners Inc. for diluted earnings per share calculation	$	536,017		$	478,336		$	405,615
Weighted average shares outstanding during the period		96,198			94,655			101,497
Vested stock units		3			3			7
Assumed incremental shares from stock plans		1,770			1,874			1,555
Weighted average shares for diluted earnings per share calculation		97,971			96,532			103,059
Diluted income from continuing operations per share attributable to DaVita HealthCare Partners Inc.	$	5.47		$	5.14		$	3.92
Diluted net income per share attributable to DaVita HealthCare Partners Inc.	$	5.47		$	4.96		$	3.94
Anti-dilutive stock-settled awards excluded from calculation(1)		1,308			2,388			1,452

(1) Shares associated with stock-settled stock appreciation rights and stock options excluded from the diluted denominator calculation because they are anti-dilutive under the treasury stock method.