DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Accounts and notes receivable, allowance for doubtful accounts and credit quality of financing receivables
Credit term, low end of range (in days)		30
Credit term, high end of range (in days)		120
Extended credit term, maximum (in years)		3
Contract term for sale of gaming equipment (in years)		1
Revenue from lease arrangements as a percentage of revenue for the Company (as a percent)		2.00%
Development financing notes receivable, repayment terms, low end of range (in years)		3
Development financing notes receivable, repayment terms, high end of range (in years)		10
Number of portfolio segments		1
Number of classes of receivables		4
Accounts and Notes Receivable
Ending Balance	$ 293,471,000	$ 293,471,000
Ending balance individually evaluated for impairment	50,171,000	50,171,000
Ending Balance Collectively Evaluated for Impairment	243,300,000	243,300,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(14,853,000)
Charge-offs	9,312,000
Recoveries	244,000
Provision	(6,269,000)
Balance at the end of the period	(11,566,000)	(11,566,000)
Ending Balance Individually Evaluated for Impairment	(6,250,000)	(6,250,000)
Ending Balance Collectively Evaluated for Impairment	(5,316,000)	(5,316,000)
Investment in receivables on nonaccrual status
Trade receivables credit term, low end of range (in days)		30
Trade receivables credit term, high end of range (in days)		120
Impaired financing receivables
Number of impaired loans			1
Recorded investment written off			5,200,000
Related allowance written off			5,200,000
Inventories
Raw materials	53,926,000	53,926,000	34,221,000
Work-in-process	1,630,000	1,630,000	1,101,000
Finished goods	13,078,000	13,078,000	7,484,000
Total	68,634,000	68,634,000	42,806,000
Inventory write-downs		3,623,000	2,025,000	4,536,000
Hurricane damage insurance recoveries
Proceeds from insurance settlement for business interruption		3,000,000
Deferred revenue and deferred cost of revenue
Maximum term of expected realization of deferred revenue and deferred cost, classified as current liabilities and current assets (in years)		1
Restricted long-term investments
Restricted long-term investments	12,485,000	12,485,000	13,075,000
Historic collection period for determination of allowances for doubtful accounts receivable (in months)		12
Trade and other receivables | Contract term less than one year | Current
Accounts and Notes Receivable
Ending Balance	162,202,000	162,202,000
Ending balance individually evaluated for impairment	2,064,000	2,064,000
Ending Balance Collectively Evaluated for Impairment	160,138,000	160,138,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(5,857,000)
Charge-offs	2,324,000
Recoveries	191,000
Provision	(2,533,000)
Balance at the end of the period	(5,875,000)	(5,875,000)
Ending Balance Individually Evaluated for Impairment	(2,064,000)	(2,064,000)
Ending Balance Collectively Evaluated for Impairment	(3,811,000)	(3,811,000)
Trade receivables | Contract term greater than one year
Accounts and Notes Receivable
Ending Balance	87,348,000	87,348,000
Ending balance individually evaluated for impairment	4,186,000	4,186,000
Ending Balance Collectively Evaluated for Impairment	83,162,000	83,162,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(3,827,000)
Charge-offs	1,819,000
Recoveries	53,000
Provision	(3,736,000)
Balance at the end of the period	(5,691,000)	(5,691,000)
Ending Balance Individually Evaluated for Impairment	(4,186,000)	(4,186,000)
Ending Balance Collectively Evaluated for Impairment	(1,505,000)	(1,505,000)
Investment in receivables on nonaccrual status
Recorded investment	4,186,000	4,186,000
Summarizes the aging of past due receivables
1 to 90 Days Past Due	7,655,000	7,655,000
91 to 180 Days Past Due	4,790,000	4,790,000
181 + Days Past Due	6,205,000	6,205,000
Total Past Due	18,650,000	18,650,000
Current	68,698,000	68,698,000
Total Receivable	87,348,000	87,348,000
Trade receivables | Contract term greater than one year | Current
Accounts and Notes Receivable
Ending Balance	72,237,000	72,237,000
Ending balance individually evaluated for impairment	3,973,000	3,973,000
Ending Balance Collectively Evaluated for Impairment	68,264,000	68,264,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(3,329,000)
Charge-offs	1,615,000
Recoveries	53,000
Provision	(3,523,000)
Balance at the end of the period	(5,184,000)	(5,184,000)
Ending Balance Individually Evaluated for Impairment	(3,973,000)	(3,973,000)
Ending Balance Collectively Evaluated for Impairment	(1,211,000)	(1,211,000)
Trade receivables | Contract term greater than one year | Noncurrent
Accounts and Notes Receivable
Ending Balance	15,111,000	15,111,000
Ending balance individually evaluated for impairment	213,000	213,000
Ending Balance Collectively Evaluated for Impairment	14,898,000	14,898,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(498,000)
Charge-offs	204,000
Provision	(213,000)
Balance at the end of the period	(507,000)	(507,000)
Ending Balance Individually Evaluated for Impairment	(213,000)	(213,000)
Ending Balance Collectively Evaluated for Impairment	(294,000)	(294,000)
Notes receivable | Contract term greater than one year
Accounts and Notes Receivable
Ending Balance	20,186,000	20,186,000
Ending balance individually evaluated for impairment	20,186,000	20,186,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(5,169,000)
Charge-offs	5,169,000
Summarizes the aging of past due receivables
Current	20,186,000	20,186,000
Total Receivable	20,186,000	20,186,000
Notes receivable | Contract term greater than one year | Current
Accounts and Notes Receivable
Ending Balance	1,621,000	1,621,000
Ending balance individually evaluated for impairment	1,621,000	1,621,000
Notes receivable | Contract term greater than one year | Noncurrent
Accounts and Notes Receivable
Ending Balance	18,565,000	18,565,000
Ending balance individually evaluated for impairment	18,565,000	18,565,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(5,169,000)
Charge-offs	5,169,000
Lease receivables | Contract term greater than one year
Accounts and Notes Receivable
Ending Balance	23,735,000	23,735,000
Ending balance individually evaluated for impairment	23,735,000	23,735,000
Summarizes the aging of past due receivables
Current	23,735,000	23,735,000
Total Receivable	23,735,000	23,735,000
Lease receivables | Contract term greater than one year | Current
Accounts and Notes Receivable
Ending Balance	10,245,000	10,245,000
Ending balance individually evaluated for impairment	10,245,000	10,245,000
Lease receivables | Contract term greater than one year | Noncurrent
Accounts and Notes Receivable
Ending Balance	13,490,000	13,490,000
Ending balance individually evaluated for impairment	13,490,000	13,490,000
Contract term greater than one year
Investment in receivables on nonaccrual status
Recorded investment	4,186,000	4,186,000
Summarizes the aging of past due receivables
1 to 90 Days Past Due	7,655,000	7,655,000
91 to 180 Days Past Due	4,790,000	4,790,000
181 + Days Past Due	6,205,000	6,205,000
Total Past Due	18,650,000	18,650,000
Current	112,619,000	112,619,000
Total Receivable	131,269,000	131,269,000
Current
Accounts and Notes Receivable
Ending Balance	246,305,000	246,305,000
Ending balance individually evaluated for impairment	17,903,000	17,903,000
Ending Balance Collectively Evaluated for Impairment	228,402,000	228,402,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(9,186,000)
Charge-offs	3,939,000
Recoveries	244,000
Provision	(6,056,000)
Balance at the end of the period	(11,059,000)	(11,059,000)
Ending Balance Individually Evaluated for Impairment	(6,037,000)	(6,037,000)
Ending Balance Collectively Evaluated for Impairment	(5,022,000)	(5,022,000)
Noncurrent
Accounts and Notes Receivable
Ending Balance	47,166,000	47,166,000
Ending balance individually evaluated for impairment	32,268,000	32,268,000
Ending Balance Collectively Evaluated for Impairment	14,898,000	14,898,000
Allowance for Doubtful Accounts
Balance at the beginning of the period	(5,667,000)
Charge-offs	5,373,000
Provision	(213,000)
Balance at the end of the period	(507,000)	(507,000)
Ending Balance Individually Evaluated for Impairment	(213,000)	(213,000)
Ending Balance Collectively Evaluated for Impairment	$ (294,000)	$ (294,000)