Accumulated Other Comprehensive (Loss) Income (Details) $ in Millions	6 Months Ended
	Dec. 26, 2015 USD ($)
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	$ 12.5
Other comprehensive loss	(7.0)
Balance at the end of the period	5.5
Foreign currency translation adjustments, net of tax
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	13.7
Other comprehensive loss	(7.0)
Balance at the end of the period	6.7
Defined benefit obligation, net of tax
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	(1.2)
Other comprehensive loss	0.0
Balance at the end of the period	$ (1.2)