Segment Reporting by Geographic Areas (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Apr. 01, 2012
Segment Reporting Information [Line Items]
Property, Plant and Equipment by Geographic Area	$ 74,988	$ 69,984
UNITED STATES
Segment Reporting Information [Line Items]
Disclosure on Geographic Areas, Long-Lived Assets in Entity's Country of Domicile	44,651	50,741
CANADA
Segment Reporting Information [Line Items]
Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries	5,188	4,508
MALAYSIA
Segment Reporting Information [Line Items]
Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries	21,379	13,658
All other countries [Member]
Segment Reporting Information [Line Items]
Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries	$ 3,770	$ 1,077

Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in foreign countries in total in which the entity holds assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant