INCOME TAXES - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Dec. 31, 2011
Income Taxes [Line Items]
Deferred income tax assets, net operating loss carryforwards	$ 15.0		$ 14.9
Deferred tax assets, valuation allowance	11.9		11.8
Effective tax rate	24.20%	25.80%
Reduction in income tax rate related to exercise of employee stock options	2.80%	4.20%
SWITZERLAND
Income Taxes [Line Items]
Income tax holiday, aggregate dollar amount	0.5	0
Income tax holiday, income tax benefits per share	$ 0.03	0.00
SINGAPORE
Income Taxes [Line Items]
Income tax holiday, aggregate dollar amount	$ 0.2	0.2
Income tax holiday, income tax benefits per share	$ 0.01	0.01
Tax holiday granted by Singapore economic development board, duration in years	4
Tax holiday granted by Singapore economic development board, extension duration in years	6