Summary of Significant Accounting Policies - New Accounting Pronouncements (Details) - USD ($) $ in Millions	3 Months Ended
May 27, 2017	Feb. 25, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Excess tax deficiencies related to share-based compensation	$ 0.2
Retained Earnings \| Accounting Standards Update 2016-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment to retained earnings		$ 0.1

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant