Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 29, 2012	Mar. 30, 2013	Jun. 29, 2013	Oct. 12, 2012
Discontinued Operations
Gross proceeds from sale of business	$ 11.5
Net loss from discontinued operations		1.0
Hologram Business
Discontinued Operations
Gross proceeds from sale of business	11.5		11.5
Net Revenue		5.2
Net loss from discontinued operations		1.0
Tax effect associated with discontinued operation		0
Less: carrying value of net assets			(10.6)
Less: selling costs			(0.3)
Gain on sale of business			0.6
Net assets associated with Discontinued Operations
Accounts receivable, net				2.7
Inventories, net				4.4
Property, plant and equipment, net				0.8
Intangibles, net				5.8
Accounts payable and accrued expenses				(1.5)
Other current and non-current liabilities				(1.6)
Total net assets held for sale of discontinued operations				$ 10.6