DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)	9 Months Ended	12 Months Ended
	Mar. 31, 2012 segment classofreceivable	Jun. 30, 2011
Accounts and notes receivable, allowance for doubtful accounts and credit quality of financing receivables
Contract term for sale of gaming equipment (in years)	1 year
Number of portfolio segments	1
Number of classes of receivables (in counts)	4
Development Financing loans made to HBG Connext S.P.A.	$ 20,000,000
Accounts and Notes Receivable
Ending Balance	336,690,000	293,471,000
Ending balance individually evaluated for impairment	99,131,000	50,171,000
Ending Balance Collectively Evaluated for Impairment	237,559,000	243,300,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(11,566,000)
Charge-offs	2,096,000	719,000
Recoveries	482,000
Provision	(8,262,000)
Balance at the end of the period	(17,250,000)	(11,566,000)
Ending Balance Individually Evaluated for Impairment	(9,210,000)
Ending Balance Collectively Evaluated for Impairment	(8,040,000)
Impaired financing receivables
Related allowance written off	1,800,000
Recorded Investment	2,856,000
Unpaid Principal Balance	2,856,000
Related Allowance	(1,750,000)
Average Recorded Investment	2,856,000
Inventories
Raw materials	52,106,000	53,926,000
Work-in-process	2,050,000	1,630,000
Finished goods	27,564,000	13,078,000
Total	81,720,000	68,634,000
Current
Accounts and Notes Receivable
Ending Balance	269,054,000	246,305,000
Ending balance individually evaluated for impairment	60,832,000	17,903,000
Ending Balance Collectively Evaluated for Impairment	208,222,000	228,402,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(11,059,000)
Charge-offs	1,055,000
Recoveries	482,000
Provision	(4,190,000)
Balance at the end of the period	(13,712,000)
Ending Balance Individually Evaluated for Impairment	(7,003,000)
Ending Balance Collectively Evaluated for Impairment	(6,709,000)
Noncurrent
Accounts and Notes Receivable
Ending Balance	67,636,000	47,166,000
Ending balance individually evaluated for impairment	38,299,000	32,268,000
Ending Balance Collectively Evaluated for Impairment	29,337,000	14,898,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(507,000)
Charge-offs	1,041,000
Provision	(4,072,000)
Balance at the end of the period	(3,538,000)
Ending Balance Individually Evaluated for Impairment	(2,207,000)
Ending Balance Collectively Evaluated for Impairment	(1,331,000)
Contract term greater than one year
Summarizes the aging of past due receivables
1 to 90 Days Past Due	11,458,000
91 to 180 Days Past Due	3,444,000
181 + Days Past Due	7,785,000
Total Past Due	22,687,000
Current	148,207,000
Total Receivable	170,894,000
Recorded investment	41,319,000
Trade and other receivables | Contract term less than one year | Current
Accounts and Notes Receivable
Ending Balance	165,796,000	162,202,000
Ending balance individually evaluated for impairment	4,523,000	2,064,000
Ending Balance Collectively Evaluated for Impairment	161,273,000	160,138,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(5,875,000)
Charge-offs	719,000
Recoveries	241,000
Provision	(1,290,000)
Balance at the end of the period	(6,205,000)
Ending Balance Individually Evaluated for Impairment	(2,506,000)
Ending Balance Collectively Evaluated for Impairment	(3,699,000)
Trade receivables | Contract term greater than one year
Accounts and Notes Receivable
Ending Balance	121,366,000	87,348,000
Ending balance individually evaluated for impairment	45,080,000	4,186,000
Ending Balance Collectively Evaluated for Impairment	76,286,000	83,162,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(5,691,000)
Charge-offs	1,377,000
Recoveries	241,000
Provision	(5,222,000)
Balance at the end of the period	(9,295,000)
Ending Balance Individually Evaluated for Impairment	(4,954,000)
Ending Balance Collectively Evaluated for Impairment	(4,341,000)
Summarizes the aging of past due receivables
1 to 90 Days Past Due	9,964,000
91 to 180 Days Past Due	3,204,000
181 + Days Past Due	7,706,000
Total Past Due	20,874,000
Current	100,492,000
Total Receivable	121,366,000
Recorded investment	21,918,000
Trade receivables | Contract term greater than one year | Current
Accounts and Notes Receivable
Ending Balance	84,678,000	72,237,000
Ending balance individually evaluated for impairment	37,729,000	3,973,000
Ending Balance Collectively Evaluated for Impairment	46,949,000	68,264,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(5,184,000)
Charge-offs	336,000
Recoveries	241,000
Provision	(2,900,000)
Balance at the end of the period	(7,507,000)
Ending Balance Individually Evaluated for Impairment	(4,497,000)
Ending Balance Collectively Evaluated for Impairment	(3,010,000)
Trade receivables | Contract term greater than one year | Noncurrent
Accounts and Notes Receivable
Ending Balance	36,688,000	15,111,000
Ending balance individually evaluated for impairment	7,351,000	213,000
Ending Balance Collectively Evaluated for Impairment	29,337,000	14,898,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(507,000)
Charge-offs	1,041,000
Provision	(2,322,000)
Balance at the end of the period	(1,788,000)
Ending Balance Individually Evaluated for Impairment	(457,000)
Ending Balance Collectively Evaluated for Impairment	(1,331,000)
Notes receivable | With an allowance recorded:
Impaired financing receivables
Recorded Investment	2,856,000
Unpaid Principal Balance	2,856,000
Related Allowance	(1,750,000)
Average Recorded Investment	2,856,000
Notes receivable | Contract term greater than one year
Accounts and Notes Receivable
Ending Balance	19,401,000	20,186,000
Ending balance individually evaluated for impairment	19,401,000	20,186,000
Allowance for Doubtful Accounts
Provision	(1,750,000)
Balance at the end of the period	(1,750,000)
Ending Balance Individually Evaluated for Impairment	(1,750,000)
Summarizes the aging of past due receivables
1 to 90 Days Past Due	1,494,000
91 to 180 Days Past Due	240,000
181 + Days Past Due	79,000
Total Past Due	1,813,000
Current	17,588,000
Total Receivable	19,401,000
Recorded investment	19,401,000
Notes receivable | Contract term greater than one year | Current
Accounts and Notes Receivable
Ending Balance	4,254,000	1,621,000
Ending balance individually evaluated for impairment	4,254,000	1,621,000
Notes receivable | Contract term greater than one year | Noncurrent
Accounts and Notes Receivable
Ending Balance	15,147,000	18,565,000
Ending balance individually evaluated for impairment	15,147,000	18,565,000
Allowance for Doubtful Accounts
Provision	(1,750,000)
Balance at the end of the period	(1,750,000)
Ending Balance Individually Evaluated for Impairment	(1,750,000)
Lease receivables | Contract term greater than one year
Accounts and Notes Receivable
Ending Balance	30,127,000	23,735,000
Ending balance individually evaluated for impairment	30,127,000	23,735,000
Summarizes the aging of past due receivables
Current	30,127,000
Total Receivable	30,127,000
Lease receivables | Contract term greater than one year | Current
Accounts and Notes Receivable
Ending Balance	14,326,000	10,245,000
Ending balance individually evaluated for impairment	14,326,000	10,245,000
Lease receivables | Contract term greater than one year | Noncurrent
Accounts and Notes Receivable
Ending Balance	15,801,000	13,490,000
Ending balance individually evaluated for impairment	$ 15,801,000	$ 13,490,000
Minimum
Accounts and notes receivable, allowance for doubtful accounts and credit quality of financing receivables
Credit term (in days)	30
Development financing notes receivable, repayment terms (in years)	3 years
Maximum
Accounts and notes receivable, allowance for doubtful accounts and credit quality of financing receivables
Extended credit term, maximum (in years)	3 years
Credit term (in days)	120
Development financing notes receivable, repayment terms (in years)	10 years