The Company	12 Months Ended
Mar. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
The Company	The Company Electro Scientific Industries, Inc. together with its wholly-owned subsidiaries (collectively, the Company) is a leading supplier of innovative laser-based manufacturing solutions for the microtechnology industry. The Company’s advanced laser systems enable precise structuring of micron to submicron features in components and devices which are used in a wide variety of end products in the consumer electronics, computer, semiconductor, communications and other markets. These features enable the Company’s customers to achieve functionality, or improve yield and productivity in their manufacturing processes that can be critical to their profitability. Founded in 1944, the Company is headquartered in Portland, Oregon, with global operations and subsidiaries in Asia, Canada, Europe and the United States.

The Company

12 Months Ended

Mar. 30, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Electro Scientific Industries, Inc. together with its wholly-owned subsidiaries (collectively, the Company) is a leading supplier of innovative laser-based manufacturing solutions for the microtechnology industry. The Company’s advanced laser systems enable precise structuring of micron to submicron features in components and devices which are used in a wide variety of end products in the consumer electronics, computer, semiconductor, communications and other markets. These features enable the Company’s customers to achieve functionality, or improve yield and productivity in their manufacturing processes that can be critical to their profitability. Founded in 1944, the Company is headquartered in Portland, Oregon, with global operations and subsidiaries in Asia, Canada, Europe and the United States.