Earnings (Loss) Per Share - Reconciliation of Weighted Average Shares Outstanding Used in Calculation of Basic and Diluted Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Earnings Per Share [Abstract]
Net income (loss)	$ (2,778)	$ 5,211	$ (6,061)	$ 4,267
Weighted average number of shares - basic	29,967	29,339	29,856	29,228
Incremental diluted shares	0	622	0	684
Weighted average shares used for diluted earnings per share	29,967	29,961	29,856	29,912
Net (loss) income per share - basic	$ (0.09)	$ 0.18	$ (0.20)	$ 0.15
Net (loss) income per share - diluted	$ (0.09)	$ 0.17	$ (0.20)	$ 0.14

Earnings (Loss) Per Share - Reconciliation of Weighted Average Shares Outstanding Used in Calculation of Basic and Diluted Earnings Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified

3 Months Ended

6 Months Ended

Sep. 28, 2013

Sep. 29, 2012

Sep. 28, 2013

Sep. 29, 2012

Earnings Per Share [Abstract]

Net income (loss)

$ (2,778)

$ 5,211

$ (6,061)

$ 4,267

Weighted average number of shares - basic

29,967

29,339

29,856

29,228

Incremental diluted shares

622

684

Weighted average shares used for diluted earnings per share

29,967

29,961

29,856

29,912

Net (loss) income per share - basic

$ (0.09)

$ 0.18

$ (0.20)

$ 0.15

Net (loss) income per share - diluted

$ (0.09)

$ 0.17

$ (0.20)

$ 0.14

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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-Name Statement of Financial Accounting Standard (FAS)

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-Glossary Net Income

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-Appendix A

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+ Details

- Definition

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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-Publisher FASB

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-Glossary Weighted-Average Number of Common Shares Outstanding

-URI http://asc.fasb.org/extlink&oid=6528421

+ Details