Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2011	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Statement Of Cash Flows [Abstract]
Capitalized interest		$ 0.0	$ 0.3	$ 0.2
Purchase consideration paid during the year	$ 1.5
Purchase consideration for CCA			$ 8.9