INCOME TAXES	3 Months Ended
Jun. 30, 2011
Income Tax Disclosure [Abstract]
INCOME TAXES	12. INCOME TAXES The effective tax rate for the three months ended June 30, 2011 was 25.1%, compared to 26.9% for the same period a year ago. The lower effective tax rate for the three months ended June 30, 2011 compared to the same period a year ago is due primarily to a larger proportion of income earned in foreign jurisdictions during the quarter which is taxed at lower rates, as well as the reinstatement of the United States (“U.S.”) federal research tax credit in December 2010 which was extended through December 2011 and was not available in the same period a year ago. The effective tax rate differs from the statutory rate due to the impact of foreign operations taxed at different statutory rates, tax credits, state taxes and other factors. The future tax rate could be impacted by a shift in the mix of domestic and foreign income, tax treaties with foreign jurisdictions, changes in tax laws in the U.S. or internationally, or a change in estimates of future taxable income which could result in a valuation allowance being required. As of June 30, 2011, the Company had $11.2 million of unrecognized tax benefits, compared to $10.5 million at March 31, 2011, recorded in Long-term income taxes payable on the Condensed consolidated balance sheet, all of which would favorably impact the effective tax rate in future periods if recognized. The Company’s continuing practice is to recognize interest and/or penalties related to income tax matters in Income tax expense. The accrued interest related to unrecognized tax benefits is $1.8 million as of June 30, 2011 as compared to $1.7 million as of March 31, 2011. No penalties have been accrued. The Company believes that an adequate provision has been made for any adjustments that may result from tax examinations; however, the outcome of such examinations cannot be predicted with certainty. If any issues addressed in the tax examinations are resolved in a manner inconsistent with the Company's expectations, the Company could be required to adjust its provision for income tax in the period such resolution occurs. Although timing of the resolution and/or closure of tax examinations is not certain, the Company does not believe it is reasonably possible that its unrecognized tax benefits would materially change in the next twelve months. The Company and its subsidiaries are subject to taxation in various foreign and state jurisdictions as well as in the U.S. The Company is no longer subject to U.S. federal tax examinations by tax authorities for tax years prior to 2008. The Company is under examination by the California Franchise Tax Board for its 2007 and 2008 tax years. Foreign income tax matters for material tax jurisdictions have been concluded for tax years prior to fiscal 2006, except for the United Kingdom which has been concluded for tax years prior to fiscal 2009.

INCOME TAXES

3 Months Ended

Jun. 30, 2011

12. INCOME TAXES

The effective tax rate for the three months ended June 30, 2011 was 25.1%, compared to 26.9% for the same period a year ago. The lower effective tax rate for the three months ended June 30, 2011 compared to the same period a year ago is due primarily to a larger proportion of income earned in foreign jurisdictions during the quarter which is taxed at lower rates, as well as the reinstatement of the United States (“U.S.”) federal research tax credit in December 2010 which was extended through December 2011 and was not available in the same period a year ago. The effective tax rate differs from the statutory rate due to the impact of foreign operations taxed at different statutory rates, tax credits, state taxes and other factors. The future tax rate could be impacted by a shift in the mix of domestic and foreign income, tax treaties with foreign jurisdictions, changes in tax laws in the U.S. or internationally, or a change in estimates of future taxable income which could result in a valuation allowance being required.

As of June 30, 2011, the Company had $11.2 million of unrecognized tax benefits, compared to $10.5 million at March 31, 2011, recorded in Long-term income taxes payable on the Condensed consolidated balance sheet, all of which would favorably impact the effective tax rate in future periods if recognized.

The Company’s continuing practice is to recognize interest and/or penalties related to income tax matters in Income tax expense. The accrued interest related to unrecognized tax benefits is $1.8 million as of June 30, 2011 as compared to $1.7 million as of March 31, 2011. No penalties have been accrued.

The Company believes that an adequate provision has been made for any adjustments that may result from tax examinations; however, the outcome of such examinations cannot be predicted with certainty. If any issues addressed in the tax examinations are resolved in a manner inconsistent with the Company's expectations, the Company could be required to adjust its provision for income tax in the period such resolution occurs. Although timing of the resolution and/or closure of tax examinations is not certain, the Company does not believe it is reasonably possible that its unrecognized tax benefits would materially change in the next twelve months.

The Company and its subsidiaries are subject to taxation in various foreign and state jurisdictions as well as in the U.S. The Company is no longer subject to U.S. federal tax examinations by tax authorities for tax years prior to 2008. The Company is under examination by the California Franchise Tax Board for its 2007 and 2008 tax years. Foreign income tax matters for material tax jurisdictions have been concluded for tax years prior to fiscal 2006, except for the United Kingdom which has been concluded for tax years prior to fiscal 2009.