|
Summary of Interim Financial Information (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2013
|
Dec. 30, 2012
|
Sep. 30, 2012
|
Jul. 01, 2012
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Mar. 31, 2012
|
Jan. 01, 2012
|
Oct. 02, 2011
|
Jul. 03, 2011
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Mar. 31, 2011
|
|
| Quarterly Financial Information [Line Items] | |||||||||||
| Restructuring charges | $ 1,723 | $ 3,776 | $ 1,295 | $ 370 | $ 2,236 | $ 1,440 | $ 902 | $ 410 | $ 7,164 | $ 4,988 | $ 6,813 |
| Legal proceedings settlement income | $ 900 | $ 900 | |||||||||