Net Income Per Share Attributable To Micros Systems, Inc. Common Shareholders (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Net Income Per Share Attributable To Micros Systems, Inc. Common Shareholders [Abstract]
Net income attributable to MICROS Systems, Inc.	$ 38,285	$ 32,328	$ 75,517	$ 63,944
Effect of minority put arrangement	0	0	0	30
Net income attributable to MICROS Systems, Inc. common shareholders	38,285	32,328	75,517	63,974
Average common shares outstanding	80,151	80,748	80,362	80,479
Dilutive effect of outstanding stock options	1,820	1,969	1,828	1,911
Average common shares outstanding assuming dilution	81,971	82,717	82,190	82,390
Basic net income per share attributable to MICROS Systems, Inc. common shareholders	$ 0.48	$ 0.40	$ 0.94	$ 0.79
Diluted net income per share attributable to MICROS Systems, Inc. common shareholders	$ 0.47	$ 0.39	$ 0.92	$ 0.78
Anti-dilutive weighted shares excluded from reconciliation	1,511	477	1,316	358
Non cash share-based compensation expense	5,777	4,316	8,781	6,961
Non cash share-based compensation expense, net of tax	$ 3,818	$ 2,450	$ 5,879	$ 4,306
Non cash share-based compensation expenses, net of tax per diluted share	$ 0.05	$ 0.03	$ 0.07	$ 0.05