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

Derivative Instruments and Hedging Activities - Additional Information (Details)

v3.19.1

Derivative Instruments and Hedging Activities - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2019	Jun. 30, 2018	Dec. 31, 2014	Oct. 31, 2014
Derivative
Unamortized portion of the fair value of the forward contracts	$ 4,200,000	$ 4,200,000
Realized net loss	1,379,000	6,567,000
2018 Rate lock agreements
Derivative
Unamortized portion of the fair value of the forward contracts	13,500,000	$ 13,500,000
2018 Rate lock agreements \| Senior notes
Derivative
Realized net loss	$ (13,600,000)
Derivatives designated as hedging instruments \| Cash flow hedge contracts - foreign currency \| Portion of senior notes \| Treasury lock \| Senior notes
Derivative
Unrealized gains (losses) on cash flow hedges				$ 7,500,000
Derivative, notional amount					$ 1,000,000,000.00
Derivatives designated as hedging instruments \| Cash flow hedge contracts - foreign currency \| 2018 Rate lock agreements \| Treasury lock \| Senior notes
Derivative
Derivative, notional amount			$ 500,000,000

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References

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- Definition

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+ References

No definition available.

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- Definition

Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

+ References

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-Publisher FASB
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- Definition

Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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