Commitments And Contingencies (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended	12 Months Ended
	Jun. 07, 2012 plaintiff	Dec. 31, 2010	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010
Loss Contingencies [Line Items]
Reversing and remanding of award		$ 4,500,000
Affirming of award		3,000,000
Amount accrued in selling, general, and administrative expenses			311,882,000	[1]	286,976,000	[1]	273,968,000	[1]
Number of plaintiffs	2
Amounts paid to plaintiffs	3,500,000
Interest accruing at statutory rate			6.00%
Roth Cash Register v. MICROS Systems, Inc., et al. and Shenango Systems Solutions v. MICROS Systems, Inc., et al. Cases [Member]
Loss Contingencies [Line Items]
Amount accrued in selling, general, and administrative expenses		$ 3,000,000

[1] See Note 11 "Contingencies" in Notes to Consolidated Financial Statements.