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Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 27, 2015

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 2015 and 2014 were as follows (in millions):

		2015
						Gross
		Amortized				Unrealized				Fair
		Cost				Gains				Value
Reported as cash equivalents:
Money market funds		$	376.3			$	—			$	376.3
Reported as current assets:
Auction rate securities			0.6				—				0.6
Reported as non-current assets:
Auction rate securities			7.3				7.9				15.2
Total available-for-sale securities		$	384.2			$	7.9			$	392.1

		2014
						Gross				Gross
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
Reported as cash equivalents:
Money market funds		$	439.7			$	—			$	—			$	439.7
Reported as non-current assets:
Auction rate securities			11.2				8.7				0.1				19.8
Total available-for-sale securities		$	450.9			$	8.7			$	0.1			$	459.5

Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis

Financial assets and liabilities measured at fair value on a recurring basis, by level within the fair value hierarchy, as of the end of fiscal 2015 and 2014 were as follows (in millions):

		2015												2014
		Level 1				Level 2				Level 3				Level 1				Level 3
Assets:
Money market		$	376.3			$	—			$	—			$	439.7			$	—
Auction rate securities			—				—				15.8				—				19.8
Total available-for-sale securities		$	376.3			$	—			$	15.8			$	439.7			$	19.8
Liabilities:
Contingent consideration liabilities recorded for    business combination		$	—			$	—			$	44.2			$	—			$	110.1
Foreign currency contract liabilities		$	—			$	1.3			$	—			$	—			$	—

Changes in Fair Value of Level 3 Financial Assets

Changes in fair value of our Level 3 financial assets for fiscal 2015 and 2014 were as follows (in millions):

		2015				2014
Beginning balance		$	19.8			$	17.0
Net unrealized gain			0.9				2.8
Redemptions			(4.9	)			—
Ending balance		$	15.8			$	19.8

Changes in Fair Value of Contingent Consideration

Changes in fair value of our Level 3 financial liabilities for fiscal 2015 and 2014 were as follows (in millions):

		2015				2014
Beginning balance		$	110.1			$	8.2
Contingent consideration liability incurred			—				37.5
Cash settlement of contingent consideration liability			(25.6	)			—
Issuance of common stock in settlement of liability			(21.5	)			(5.5	)
Accretion and remeasurement			(18.8	)			69.9
Ending balance		$	44.2			$	110.1

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 2015 and 2014:

		2015				2014
Customer A			20%			*
Customer B			13%				27%
Customer C			13%			*
Customer D			13%			*
Customer E		*					12%

* Less than 10%

Inventories

Inventories are stated at the lower of cost (first-in, first-out method) or market (estimated net realizable value) as of the end of fiscal 2015 and 2014 and consisted of the following (in millions):

		2015				2014
Raw materials		$	75.5			$	58.7
Finished goods			64.7				23.6
		$	140.2			$	82.3

Schedule of 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 2015 and 2014 were as follows (in millions):

		2015				2014
Beginning balance		$	61.0			$	20.7
Acquisition activity			153.4				39.0
Post acquisition adjustments			(7.6	)			1.3
Ending balance		$	206.8			$	61.0

Other Accrued Liabilities

As of the end of fiscal 2015 and 2014, other accrued liabilities consisted of the following (in millions):

		2015				2014
Customer obligations		$	36.9			$	38.7
Inventory obligations			17.2				4.1
Warranty			2.8				1.7
Other			17.2				12.2
		$	74.1			$	56.7

Changes in Warranty Liability

Changes in our warranty liability (included in other accrued liabilities) for fiscal 2015 and 2014 were as follows (in millions):

		2015				2014
Beginning accrued warranty		$	1.7			$	1.7
Provision for product warranties			4.4				2.4
Cost of warranty claims and settlements			(3.3	)			(2.4	)
Ending accrued warranty		$	2.8			$	1.7

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