INCOME TAXES	6 Months Ended
Sep. 30, 2012
Income Tax Disclosure [Abstract]
INCOME TAXES	INCOME TAXES The effective tax rate for the three and six months ended September 30, 2012 was 25.5% and 26.0%, respectively, compared to 25.3% and 25.2%, respectively, for the same periods in the prior year. The higher effective tax rate for the three and six months ended September 30, 2012 is due primarily to the expiration of the federal tax research credit in December 2011. The effective tax rates differ 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. The Company's provision for income taxes does not include provisions for U.S. income taxes and foreign withholding taxes associated with the repatriation of undistributed earnings of certain foreign operations that the Company intends to reinvest indefinitely in the foreign operations. If these earnings were distributed to the U.S. in the form of dividends or otherwise, the Company would be subject to additional U.S. income taxes, subject to an adjustment for foreign tax credits, and foreign withholding taxes. The Company's current plans do not require repatriation of earnings from foreign operations to fund the U.S. operations because it generates sufficient domestic operating cash flow and has access to external funding under its line of credit. As a result, the Company does not expect a material impact on its business or financial flexibility with respect to undistributed earnings of its foreign operations As of September 30, 2012, the Company had $11.8 million of unrecognized tax benefits, compared to $11.1 million at March 31, 2012, recorded in Long-term income taxes payable in the Condensed consolidated balance sheets, 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 in the Condensed consolidated statements of operations. The accrued interest related to unrecognized tax benefits is $2.0 million as of September 30, 2012 as compared to $1.7 million as of March 31, 2012. No penalties have been accrued. The Company and its subsidiaries are subject to taxation in various foreign and state jurisdictions including the U.S. The Company is under examination by the Internal Revenue Service for its 2010 tax year and 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 year 2006, except the United Kingdom for which tax matters have been concluded for tax years prior to fiscal year 2011.

INCOME TAXES

6 Months Ended

Sep. 30, 2012

The effective tax rate for the three and six months ended September 30, 2012 was 25.5% and 26.0%, respectively, compared to 25.3% and 25.2%, respectively, for the same periods in the prior year. The higher effective tax rate for the three and six months ended September 30, 2012 is due primarily to the expiration of the federal tax research credit in December 2011. The effective tax rates differ 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.

The Company's provision for income taxes does not include provisions for U.S. income taxes and foreign withholding taxes associated with the repatriation of undistributed earnings of certain foreign operations that the Company intends to reinvest indefinitely in the foreign operations. If these earnings were distributed to the U.S. in the form of dividends or otherwise, the Company would be subject to additional U.S. income taxes, subject to an adjustment for foreign tax credits, and foreign withholding taxes. The Company's current plans do not require repatriation of earnings from foreign operations to fund the U.S. operations because it generates sufficient domestic operating cash flow and has access to external funding under its line of credit. As a result, the Company does not expect a material impact on its business or financial flexibility with respect to undistributed earnings of its foreign operations

As of September 30, 2012, the Company had $11.8 million of unrecognized tax benefits, compared to $11.1 million at March 31, 2012, recorded in Long-term income taxes payable in the Condensed consolidated balance sheets, 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 in the Condensed consolidated statements of operations. The accrued interest related to unrecognized tax benefits is $2.0 million as of September 30, 2012 as compared to $1.7 million as of March 31, 2012. No penalties have been accrued.

The Company and its subsidiaries are subject to taxation in various foreign and state jurisdictions including the U.S. The Company is under examination by the Internal Revenue Service for its 2010 tax year and 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 year 2006, except the United Kingdom for which tax matters have been concluded for tax years prior to fiscal year 2011.