CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Sep. 29, 2018	Sep. 30, 2017
OPERATING ACTIVITIES:
Net income	$ 47.4	$ 7.1
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	19.7	16.7
Stock-based compensation	10.8	9.3
Unrealized (gain) loss on derivative liability	2.1	(4.2)
Amortization of acquired developed technologies	0.8	0.8
Amortization of discount on 0.25% Convertible Senior Notes due 2024	4.3	4.1
Other non-cash (income) expenses	0.0	0.1
Changes in operating assets and liabilities:
Accounts receivable	(41.9)	(7.5)
Inventories	15.3	(2.0)
Prepayments and other current and non-currents assets	(5.3)	(5.8)
Income taxes, net	4.8	(3.5)
Accounts payable	4.1	(1.8)
Accrued payroll and related expenses	(1.1)	(2.4)
Accrued expenses and other current and non-current liabilities	(3.8)	(1.2)
Net cash provided by operating activities	57.2	9.7
INVESTING ACTIVITIES:
Payments for acquisition of property, plant and equipment	(29.6)	(33.0)
Payment for asset acquisition	(0.7)	0.0
Purchases of short-term investments	(5.9)	(228.3)
Proceeds from maturities and sales of short-term investments	45.7	128.8
Net cash provided by (used in) investing activities	9.5	(132.5)
FINANCING ACTIVITIES:
Payment of dividends - Series A Preferred Stock	(0.4)	(0.2)
Payment of debt issuance costs	(0.9)	0.0
Payment of acquisition related holdback	(1.0)	0.0
Repayment of capital lease obligation	(2.3)	(1.2)
Proceeds from the exercise of stock options	0.0	1.7
Net cash provided by (used in) financing activities	(4.6)	0.3
Effect of exchange rates on cash and cash equivalents	0.0	0.4
Increase (decrease) in cash and cash equivalents	62.1	(122.1)
Cash and cash equivalents at beginning of period	397.3	272.9
Cash and cash equivalents at end of period	459.4	150.8
Supplemental disclosure of cash flow information:
Cash paid for taxes	0.3	0.3
Cash paid for interest	0.6	0.6
Unpaid property, plant and equipment in accounts payable and accrued expenses	18.8	12.6
Equipment acquired under capital lease	$ 0.0	$ 8.5