Note 18. Income Taxes (Detail) - Total Unrecognized Gross Tax Benefits (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Apr. 01, 2012	Mar. 27, 2011	Mar. 28, 2010
Unrecognized gross tax benefits	$ 15,465	$ 16,820	$ 16,714	$ 15,863
Less: amount used to reduce deferred tax assets	13,240	13,216
Net income tax payable(1)	$ 2,225	$ 3,604