Acquisitions (Details 3) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Dec. 02, 2017	Nov. 26, 2016	Dec. 02, 2017	Nov. 26, 2016
Business Combinations [Abstract]
Net sales	$ 356,506	$ 368,387	$ 1,044,465	$ 1,083,352
Net earnings	$ 24,453	$ 25,971	$ 59,564	$ 72,171
Earnings per share
Basic (USD per share)	$ 0.85	$ 0.90	$ 2.07	$ 2.50
Diluted (USD per share)	$ 0.85	$ 0.90	$ 2.06	$ 2.50

Per basic share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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Per diluted share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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