Legal Proceedings	12 Months Ended
Mar. 30, 2013
Disclosure Legal Proceedings [Abstract]
Legal Proceedings	Legal Proceedings All Ring Patent Infringement Prosecution In August 2005, the Company commenced a proceeding in the Kaohsiung District Court of Taiwan (the Court) directed against All Ring Tech Co., Ltd. (All Ring) of Taiwan. The Company alleged that All Ring’s Capacitor Tester Model RK-T6600 (the Capacitor Tester) infringes ESI’s Taiwan Patent No. 207469, entitled “Circuit Component Handler” (the 207469 patent). The Company’s proceedings were settled in the Company’s favor on November 29, 2012. All Ring paid the Company $475 million New Taiwan Dollars, representing approximately $16.3 million to settle the case, and the case was dismissed. This gain was partially offset by court and legal fees associated with the All Ring litigation and other non-recurring legal matters and is included in legal settlement proceeds, net, in the Consolidated Statements of Operations. As a part of these proceedings, the Company established three letters of credit for approximately $19.5 million in July 2009, September 2009 and June 2011, which were collateralized by $22.3 million of restricted cash. The total restricted cash balance of $22.3 million was included in Restricted cash on the Consolidated Balance Sheets at March 31, 2012 as a current asset. In 2013, the settlement of the proceedings eliminated the need for the Company to maintain the letters of credit, and the Company closed the letters of credit during the fourth quarter. Legal Settlement The company recognized $0.6 million and $1.4 million in legal settlements costs in 2012 and 2011, respectively, arising from the settlement of an arbitration matter with James Dooley, our former Chief Executive Officer. In the ordinary course of business, the Company is involved in various other legal matters, either asserted or unasserted, and investigations. In the opinion of management, ultimate resolution of these matters will not have a material effect on the Company’s consolidated financial position, results of operations or cash flows.

Legal Proceedings

All Ring Patent Infringement Prosecution

In August 2005, the Company commenced a proceeding in the Kaohsiung District Court of Taiwan (the Court) directed against All Ring Tech Co., Ltd. (All Ring) of Taiwan. The Company alleged that All Ring’s Capacitor Tester Model RK-T6600 (the Capacitor Tester) infringes ESI’s Taiwan Patent No. 207469, entitled “Circuit Component Handler” (the 207469 patent).

The Company’s proceedings were settled in the Company’s favor on November 29, 2012. All Ring paid the Company $475 million New Taiwan Dollars, representing approximately $16.3 million to settle the case, and the case was dismissed. This gain was partially offset by court and legal fees associated with the All Ring litigation and other non-recurring legal matters and is included in legal settlement proceeds, net, in the Consolidated Statements of Operations.

As a part of these proceedings, the Company established three letters of credit for approximately $19.5 million in July 2009, September 2009 and June 2011, which were collateralized by $22.3 million of restricted cash. The total restricted cash balance of $22.3 million was included in Restricted cash on the Consolidated Balance Sheets at March 31, 2012 as a current asset. In 2013, the settlement of the proceedings eliminated the need for the Company to maintain the letters of credit, and the Company closed the letters of credit during the fourth quarter.

Legal Settlement

The company recognized $0.6 million and $1.4 million in legal settlements costs in 2012 and 2011, respectively, arising from the settlement of an arbitration matter with James Dooley, our former Chief Executive Officer.

In the ordinary course of business, the Company is involved in various other legal matters, either asserted or unasserted, and investigations. In the opinion of management, ultimate resolution of these matters will not have a material effect on the Company’s consolidated financial position, results of operations or cash flows.