Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Dec. 28, 2013
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	$ 8.6
Other comprehensive income before reclassification adjustments	10.0
Amounts reclassified from accumulated other comprehensive income	0.1
Net current-period other comprehensive income	10.1
Balance at the end of the period	18.7
Unrealized losses on available-for-sale investments
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	(3.1)
Other comprehensive income before reclassification adjustments	0.2
Net current-period other comprehensive income	0.2
Balance at the end of the period	(2.9)
Foreign currency translation adjustments
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	16.4
Other comprehensive income before reclassification adjustments	9.8
Net current-period other comprehensive income	9.8
Balance at the end of the period	26.2
Defined benefit obligation, net of tax
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	(4.7)
Amounts reclassified from accumulated other comprehensive income	0.1
Net current-period other comprehensive income	0.1
Balance at the end of the period	$ (4.6)