SEGMENT AND GEOGRAPHICAL INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012 revenuesource	Mar. 31, 2011	Mar. 31, 2012 revenuesource	Mar. 31, 2011
SEGMENT AND GEOGRAPHICAL INFORMATION
Number of revenue sources	3		3
Revenue and gross margin by segment
Revenues	$ 228,540	$ 190,941	$ 633,964	$ 544,475
Gross margin	144,477	122,760	400,637	351,393
Gaming Equipment.
Revenue and gross margin by segment
Revenues	79,256	63,679	213,839	173,852
Gross margin	36,578	27,257	94,993	81,197
Gaming Operations
Revenue and gross margin by segment
Revenues	92,508	80,032	263,702	236,339
Gross margin	67,491	59,126	190,595	170,519
Systems
Revenue and gross margin by segment
Revenues	56,776	47,230	156,423	134,284
Gross margin	$ 40,408	$ 36,377	$ 115,049	$ 99,677