CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
REVENUE	$ 392,543	$ 361,284
EXPENSES
Cost of Revenue	220,112	203,915
Research and Development	24,026	20,929
Selling, General and Administrative	45,183	41,088
Gain on Disposal of a Business	0	1,705
Total Expenses	289,321	264,227
OPERATING INCOME	103,222	97,057
INTEREST INCOME (EXPENSE)
Interest income	291	147
Interest expense	(147)	(189)
Total interest income (expense)	144	(42)
INCOME BEFORE INCOME TAXES	103,366	97,015
PROVISION/ (BENEFIT) FOR INCOME TAXES	19,815	30,145
NET INCOME	$ 83,551	$ 66,870
Earnings Per Share
Basic earnings per share	$ 1.08	$ 0.87
Basic weighted average shares outstanding	77,188	77,283
Diluted earnings per share	$ 1.08	$ 0.86
Diluted weighted average shares outstanding	77,537	77,646