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Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Investments in Available-for-Sale Securities and Cash Equivalents

Our cash equivalents and investments classified as available-for-sale securities as of the end of fiscal 2018 and 2017 were as follows (in millions):

		2018
						Gross
		Amortized				Unrealized				Fair
		Cost				Gains				Value
Reported as cash equivalents:
Money market funds		$	275.2			$	—			$	275.2
Reported as non-current assets:
Auction rate securities			-				1.5				1.5
Total available-for-sale securities		$	275.2			$	1.5			$	276.7

		2017
						Gross
		Amortized				Unrealized				Fair
		Cost				Gains				Value
Reported as cash equivalents:
Money market funds		$	361.7			$	—			$	361.7
Reported as non-current assets:
Auction rate securities			-				1.5				1.5
Total available-for-sale securities		$	361.7			$	1.5			$	363.2

Financial Assets Measured at Fair Value on a Recurring Basis

Financial assets measured at fair value on a recurring basis, by level within the fair value hierarchy, as of the end of fiscal 2018 and 2017 were as follows (in millions):

		2018												2017
		Level 1				Level 2				Level 3				Level 1				Level 2				Level 3
Assets:
Money market		$	275.2			$	—			$	—			$	361.7			$	—			$	—
Auction rate securities			—				—				1.5				—				—				1.5
Total available-for-sale securities		$	275.2			$	—			$	1.5			$	361.7			$	—			$	1.5

Changes in Fair Value of Level 3 Financial Assets

Changes in fair value of our Level 3 financial assets for fiscal 2018 and 2017 were as follows (in millions):

		2018				2017
Beginning balance		$	1.5			$	8.6
Net unrealized loss			-				(1.5	)
Impairment recovery on redeemed investments			-				1.9
Redemptions			-				(7.5	)
Ending balance		$	1.5			$	1.5

Accounts Receivable Balance Percentage of Different Customers

The following customers accounted for more than 10% of our accounts receivable balance as of the end of fiscal 2018 and 2017:

		2018			2017
Customer A		13%			13%
Customer B		11%			17%
Customer C		10%			15%

* Less than 10%

Inventories

Inventories are stated at the lower of cost (first-in, first-out method) or net realizable value as of the end of fiscal 2018 and 2017 and consisted of the following (in millions):

		2018				2017
Raw materials and work-in-progress		$	105.0			$	94.7
Finished goods			26.2				36.7
		$	131.2			$	131.4

Schedule of Changes in Goodwill

Goodwill represents the excess of the purchase price over the fair value of net tangible and identifiable intangible assets acquired.  Changes in our goodwill balance for fiscal 2018 and 2017 were as follows (in millions):

		2018				2017
Beginning balance		$	206.8			$	206.8
Acquisition activity			157.3				-
Post acquisition adjustments			8.7				-
Ending balance		$	372.8			$	206.8

Other Accrued Liabilities

As of the end of fiscal 2018 and 2017, other accrued liabilities consisted of the following (in millions):

		2018				2017
Customer obligations		$	26.4			$	34.8
Inventory obligations			28.8				41.8
Warranty			5.5				4.4
Other			19.0				20.8
		$	79.7			$	101.8

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