CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
OPERATING ACTIVITIES:
Net income	$ 211.9	$ 8.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	34.9	25.0
Stock-based compensation	24.1	16.7
Unrealized (gain) loss on derivative liability	(12.1)	17.9
Amortization of acquired developed technologies	1.6	3.6
Loss on retirement of equipment	0.4	0.0
Excess tax benefit associated with stock-based compensation	0.0	(2.9)
Amortization of discount on 0.25% Convertible Senior Notes due 2024	8.2	0.0
Release of valuation allowance, net	(124.0)	0.0
Other non-cash (income) expenses	0.2	0.0
Changes in operating assets and liabilities:
Accounts receivable	(55.8)	(22.0)
Inventories	(2.2)	(20.1)
Prepayments and other current and non-currents assets	(4.2)	4.3
Income taxes, net	11.0	0.8
Accounts payable	(7.0)	(0.1)
Accrued payroll and related expenses	12.7	9.6
Accrued expenses and other current and non-current liabilities	15.1	12.5
Net cash provided by operating activities	114.8	55.5
INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(50.2)	(64.3)
Purchases of short-term investments	(407.1)	0.0
Proceeds from maturities and sales of short-term investments	266.2	0.0
Net cash used in investing activities	(191.1)	(64.3)
FINANCING ACTIVITIES:
Excess tax benefit associated with stock-based compensation	0.0	2.9
Payment of dividends - preferred stock	(0.2)	(0.4)
Proceeds from employee stock plans	4.4	3.7
Repayment of capital lease obligation	(1.2)	0.0
Proceeds from the exercise of stock options	1.7	2.8
Net cash provided by financing activities	4.7	9.0
Effect of exchange rates on cash and cash equivalents	0.8	(1.4)
Decrease in cash and cash equivalents	(70.8)	(1.2)
Cash and cash equivalents at beginning of period	272.9	157.1
Cash and cash equivalents at end of period	202.1	155.9
Supplemental disclosure of cash flow information:
Cash paid for taxes	0.7	2.6
Cash paid for interest	0.6	0.0
Unpaid property, plant and equipment in accounts payable and accrued expenses	14.4	11.2
Equipment acquired under capital lease	$ 15.6	$ 0.0