The following table illustrates comprehensive income for the three months ended December 31, 2011 and 2010 (in thousands):

	2011		2010
Net income	$	162,116	$	160,500
Foreign currency translation adjustments and other		6,487		6,702
Comprehensive income	$	168,603	$	167,202

In November 2010, the Company's board of directors increased the quarterly cash dividend by 25% from $0.08 to $0.10 per share. In May 2011, the Company's board of directors increased the quarterly cash dividend again by 15% to $0.115 per share. In November 2011, the Company's board of directors increased the quarterly cash dividend again by 13% to $0.13 per share.

In November 2009, the Company's board of directors authorized a program allowing the Company to purchase up to $500 million of its outstanding shares of common stock, subject to market conditions. During the three months ended December 31, 2010, the Company purchased 3.2 million shares for $98.1 million to complete its authorization under this program.

In September 2010, the Company's board of directors authorized a program allowing the Company to purchase up to $500 million of its outstanding shares of common stock, subject to market conditions. During the three months ended December 31, 2010, the Company purchased 2.8 million shares for $87.1 million under this program.

In August 2011, the Company's board of directors authorized a new program allowing the Company to purchase up to $750 million of its outstanding shares of common stock, subject to market conditions. During the three months ended December 31, 2011, the Company purchased 3.3 million shares for $119.9 million under this new program.

On December 30, 2011, the Company retired 238.8 million shares of its treasury stock.

Basic earnings per share is computed on the basis of the weighted average number of shares of common stock outstanding during the periods presented. Diluted earnings per share is computed on the basis of the weighted average number of shares of common stock outstanding during the periods presented plus the dilutive effect of stock options, restricted stock, and restricted stock units.

	Three months ended
	December 31,
(in thousands)	2011	2010
Weighted average common shares outstanding - basic	258,461	275,605
Effect of dilutive securities: stock options,
restricted stock, and restricted stock units	4,623	5,088
Weighted average common shares outstanding - diluted	263,084	280,693

The potentially dilutive stock options that were antidilutive for the three months ended December 31, 2011 and 2010 were 3.2 million and 3.5 million, respectively.