Consolidated Statements of Comprehensive Income (Unaudited) Parenthetical (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Pension
Actuarial gain (loss), taxes	$ (228)	$ 2	$ (226)	$ 4
Actuarial gain (loss) reclassified into results of operations, taxes	47	38	85	75
Derivative instruments
Net change in fair value of cash flow hedges, taxes	(29)	206	(137)	107
Amounts reclassified into results of operations, taxes	$ 65	$ 16	$ 144	$ 132

Tax effect of the increase (decrease) in the value of the projected benefit obligation and the (increase) decrease in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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Tax effect of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.

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- Definition

Tax effect of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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