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INCOME TAXES
6 Months Ended
Mar. 29, 2013
INCOME TAXES

11. INCOME TAXES

The Company’s effective tax rate was 27.9% for the three months ended March 29, 2013, compared to 25.3% for the three months ended March 30, 2012. For the six months ended March 29, 2013, the Company’s effective tax rate was 29.4%, compared to 27.6% in the six months ended March 30, 2012. The increase in the Company’s effective tax rate was primarily due to a smaller net benefit for discrete items in the current periods compared to the prior periods, primarily related to the release of certain liabilities for uncertain tax positions, including the expiration of the statutes of limitation in various jurisdictions, partially offset by the benefit of the retroactive reinstatement of the federal research and development credit.

The Company’s effective income tax rate differs from the U.S. federal statutory rate primarily because the Company’s foreign earnings are taxed at rates that are, on average, lower than the U.S. federal rate, and because the Company’s domestic earnings are subject to state income taxes.

The total amount of unrecognized tax benefits did not change by a significant amount during the six months ended March 29, 2013; however, the amount of unrecognized tax benefits has increased as a result of positions taken during the current and prior years, and has decreased as the result of the expiration of statutes of limitation in various jurisdictions.