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

Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities - Schedule of Derivative Instruments (Details)

Derivative Instruments and Hedging Activities - Schedule of Derivative Instruments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Location in Financial Statements
Gains (losses) in accumulated OCI on derivatives (effective portion)	$ (1,309)	$ (1,752)	$ 12,648	$ 1,821
Gains reclassified from accumulated OCI into income (effective portion):	3,920	934	5,732	3,472
Derivative Assets and Liabilities, at Fair Value, Net, by Balance Sheet Classification
Asset derivatives fair value	5,822		5,822		666
Liability derivatives fair value	3,725		3,725		898
Other Current Assets
Derivative Assets and Liabilities, at Fair Value, Net, by Balance Sheet Classification
Asset derivatives fair value	5,822		5,822		666
Other Current Liabilities
Derivative Assets and Liabilities, at Fair Value, Net, by Balance Sheet Classification
Liability derivatives fair value	3,725		3,725		898
Cash Flow Hedging \| Purchase
Cash flow hedge contracts
Purchase	20,822		20,822		6,066
Cash Flow Hedging \| Purchase \| Other Foreign Currency Hedge Contract
Other foreign currency hedge contracts
Other foreign currency hedge contracts	56,345		56,345		108,901
Cash Flow Hedging \| Sell
Cash flow hedge contracts
Sell	49,275		49,275		33,999
Cash Flow Hedging \| Sell \| Other Foreign Currency Hedge Contract
Other foreign currency hedge contracts
Other foreign currency hedge contracts	127,776		127,776		106,322
Derivatives Designated as Hedging Instruments
Location in Financial Statements
Gains reclassified from accumulated OCI into income (effective portion):	3,920	934	5,732	3,472
Derivatives Designated as Hedging Instruments \| Other Current Assets
Derivative Assets and Liabilities, at Fair Value, Net, by Balance Sheet Classification
Foreign exchange contracts, other current assets	1,038		1,038		120
Asset derivatives fair value	1,038		1,038		120
Derivatives Designated as Hedging Instruments \| Other Current Liabilities
Derivative Assets and Liabilities, at Fair Value, Net, by Balance Sheet Classification
Foreign exchange contracts, other current liabilities	2,124		2,124		100
Liability derivatives fair value	2,124		2,124		100
Not Designated as Hedging Instrument \| Other Current Assets
Derivative Assets and Liabilities, at Fair Value, Net, by Balance Sheet Classification
Foreign exchange contracts, other current assets	4,784		4,784		546
Asset derivatives fair value	4,784		4,784		546
Not Designated as Hedging Instrument \| Other Current Liabilities
Derivative Assets and Liabilities, at Fair Value, Net, by Balance Sheet Classification
Foreign exchange contracts, other current liabilities	1,601		1,601		798
Liability derivatives fair value	1,601		1,601		798
Revenues \| Derivatives Designated as Hedging Instruments
Location in Financial Statements
Gains reclassified from accumulated OCI into income (effective portion):	4,306	895	6,508	3,217
Costs of Revenues \| Derivatives Designated as Hedging Instruments
Location in Financial Statements
Gains reclassified from accumulated OCI into income (effective portion):	(575)	39	(1,091)	255
Interest Expense \| Derivatives Designated as Hedging Instruments
Location in Financial Statements
Gains reclassified from accumulated OCI into income (effective portion):	189	0	315	0
Interest Income and Other, Net \| Derivatives Designated as Hedging Instruments
Location in Financial Statements
Gains (losses) recognized in income on derivatives (ineffective portion and amount excluded from effectiveness testing)	187	38	307	64
Interest Income and Other, Net \| Not Designated as Hedging Instrument
Location in Financial Statements
Gains recognized in income	(1,408)	(1,179)	9,704	4,168
Loss on extinguishment of debt and other, net \| Not Designated as Hedging Instrument
Location in Financial Statements
Gains recognized in income	0	0	(1,180)	0
Accumulated OCI \| Derivatives Designated as Hedging Instruments
Location in Financial Statements
Gains (losses) in accumulated OCI on derivatives (effective portion)	$ (1,309)	$ (1,752)	$ 12,648	$ 1,821