KLA Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Compensation Expense) (Details)

Stock-Based Compensation (Compensation Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Jun. 30, 2011
Stock-based compensation expense
Stock-based compensation capitalized as inventory	$ 7,453		$ 7,453		$ 6,701
Stock-based compensation expense	19,646	19,431	40,142	43,644
Costs of revenues
Stock-based compensation expense
Stock-based compensation expense	3,671	3,439	7,509	7,607
Engineering, research and development
Stock-based compensation expense
Stock-based compensation expense	5,756	5,814	11,577	13,432
Selling, general and administrative
Stock-based compensation expense
Stock-based compensation expense	$ 10,219	$ 10,178	$ 21,056	$ 22,605

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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