CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
REVENUE	$ 438,005	$ 392,543
EXPENSES
Cost of Revenue	245,791	220,112
Research and Development	24,591	24,026
Selling, General and Administrative	49,436	45,183
Total Expenses	319,818	289,321
OPERATING INCOME	118,187	103,222
INTEREST INCOME (EXPENSE)
Interest income	508	291
Interest expense	(156)	(147)
Total Interest Income (Expense)	352	144
INCOME BEFORE INCOME TAXES	118,539	103,366
PROVISION/ (BENEFIT) FOR INCOME TAXES	29,169	19,815
NET INCOME	$ 89,370	$ 83,551
Earnings Per Share
Basic earnings per share	$ 1.16	$ 1.08
Basic weighted average shares outstanding	76,972	77,188
Diluted earnings per share	$ 1.16	$ 1.08
Diluted weighted average shares outstanding	77,067	77,537