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		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011	Jun. 30, 2011
Stock-based compensation expense
Stock-based compensation capitalized as inventory	$ 7,648		$ 7,648		$ 6,701
Stock-based compensation expense	20,914	18,847	61,056	62,491
Costs of revenues
Stock-based compensation expense
Stock-based compensation expense	3,194	2,990	10,703	10,597
Engineering, research and development
Stock-based compensation expense
Stock-based compensation expense	4,995	5,568	16,572	19,000
Selling, general and administrative
Stock-based compensation expense
Stock-based compensation expense	$ 12,725	$ 10,289	$ 33,781	$ 32,894

- 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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