Restatement - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 02, 2016	Apr. 04, 2015	Jul. 02, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating expense	$ 380.0	$ 389.0
Increase (decrease) to net income (loss)	(26.0)	(25.0)
Adjustment for error in foreign currency translation	3.0	$ (11.0)
Restatement Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) to net income (loss)	3.0
Adjustment for error in foreign currency translation	$ (1.0)
Subsequent Event | Restatement Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating expense			$ 11.0
Increase (decrease) to net income (loss)			$ (7.0)