FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held-for-sale	$ 14,841
Liabilities:
Facilities-related restructuring accruals	1,157	2,593
Fair Value, Measurements, Recurring [Member]
Financial Assets:
Deferred compensation assets	1,556	1,549
Foreign currency forward contracts	581
Financial Liabilities:
Deferred compensation obligations	3,909	3,920
Foreign currency forward contracts	192	1,430
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Financial Assets:
Deferred compensation assets	1,013	1,018
Foreign currency forward contracts	0
Financial Liabilities:
Deferred compensation obligations	1,013	1,018
Foreign currency forward contracts	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Assets:
Deferred compensation assets	543	531
Foreign currency forward contracts	581
Financial Liabilities:
Deferred compensation obligations	2,896	2,902
Foreign currency forward contracts	192	1,430
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Financial Assets:
Deferred compensation assets	0	0
Foreign currency forward contracts	0
Financial Liabilities:
Deferred compensation obligations	0	0
Foreign currency forward contracts	0	0
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held-for-sale	9,951
Liabilities:
Facilities-related restructuring accruals	1,157	2,593
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held-for-sale	0
Liabilities:
Facilities-related restructuring accruals	0	0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held-for-sale	14,841
Liabilities:
Facilities-related restructuring accruals	1,157	2,593
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held-for-sale	0
Liabilities:
Facilities-related restructuring accruals	$ 0	$ 0