Share-Based Compensation (Non-Cash Share-Based Compensation Expense) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total non-cash share-based compensation expense	$ 22,057	$ 21,102	$ 16,501
Income tax benefit	(6,912)	(6,721)	(5,163)
Total non-cash share-based compensation expense, net of tax benefit	15,145	14,381	11,338
Impact on diluted net income per share attributable to MICROS Systems, Inc. common shareholders	$ 0.20	$ 0.18	$ 0.14
Selling, Gerneral, and Administrative Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total non-cash share-based compensation expense	19,652	19,124	15,067
Research And Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total non-cash share-based compensation expense	2,031	1,640	1,239
Cost Of Sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total non-cash share-based compensation expense	$ 374	$ 338	$ 195