FAIR VALUE MEASUREMENTS (Details) (Recurring basis, USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Total Carrying Value
Other long-term assets:
Total assets at fair value	$ 12,876
Total Carrying Value | Money Market Mutual Funds
Other long-term assets:
Money Market Mutual Funds	113
Total Carrying Value | Mutual Fund Large U.S. Equity
Other long-term assets:
Equity securities, available-for-sale:	2,515
Total Carrying Value | Mutual Fund Small/Mid U.S. Equity
Other long-term assets:
Equity securities, available-for-sale:	758
Total Carrying Value | Mutual Fund International
Other long-term assets:
Equity securities, available-for-sale:	392
Total Carrying Value | Mutual Fund Balance
Other long-term assets:
Equity securities, available-for-sale:	160
Total Carrying Value | Mutual Fund Fixed Income
Other long-term assets:
Equity securities, available-for-sale:	379
Total Carrying Value | RealD Inc. | Common Stock
Other long-term assets:
Equity securities, available-for-sale:	8,559
Quoted prices in active market (Level 1)
Other long-term assets:
Total assets at fair value	12,876
Quoted prices in active market (Level 1) | Money Market Mutual Funds
Other long-term assets:
Money Market Mutual Funds	113
Quoted prices in active market (Level 1) | Mutual Fund Large U.S. Equity
Other long-term assets:
Equity securities, available-for-sale:	2,515
Quoted prices in active market (Level 1) | Mutual Fund Small/Mid U.S. Equity
Other long-term assets:
Equity securities, available-for-sale:	758
Quoted prices in active market (Level 1) | Mutual Fund International
Other long-term assets:
Equity securities, available-for-sale:	392
Quoted prices in active market (Level 1) | Mutual Fund Balance
Other long-term assets:
Equity securities, available-for-sale:	160
Quoted prices in active market (Level 1) | Mutual Fund Fixed Income
Other long-term assets:
Equity securities, available-for-sale:	379
Quoted prices in active market (Level 1) | RealD Inc. | Common Stock
Other long-term assets:
Equity securities, available-for-sale:	$ 8,559