COMMITMENTS - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Commitments and Contingencies Disclosure [Line Items]
Prepaid land leasing arrangements	2
Rent expense	$ 58,978	$ 54,024	$ 52,581
Contribution by employer for employee saving plan	6,312	6,127	6,100
Short Term Committed Purchase Obligations	$ 377,345
Buildings
Commitments and Contingencies Disclosure [Line Items]
Terms of operating leases expiring year	2021
Land
Commitments and Contingencies Disclosure [Line Items]
Terms of operating leases expiring year	2057