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Acquisitions Acquisition (Details 1) (Alumicor Limited [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 01, 2014	Mar. 02, 2013
Alumicor Limited [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue	$ 825,596	$ 756,497
Business Acquisition, Pro Forma Net Income (Loss)	$ 30,487	$ 21,064
Business Acquisition, Pro Forma Earnings Per Share, Basic	$ 1.07	$ 0.75
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 1.04	$ 0.74

- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details

- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details