CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 25, 2012
Service revenues	$ 115.5	$ 102.1
Product sales	137.3	107.4
Total revenues	252.8	209.5
Cost of service revenues	88.2	79.8
Cost of product sales	98.9	71.9
Total costs	187.1	151.7
Gross profit	65.7	57.8
Selling, general and administrative expenses	49.2	44.2
Merger and acquisition expenses	0.1	0.9
Research and development expenses	4.9	3.6
Operating income from continuing operations	11.5	9.1
Other income (expense):
Interest expense, net	(16.2)	(16.1)
Other income (expense), net	(0.7)	0.4
Total other expense, net	(16.9)	(15.7)
Loss from continuing operations before income taxes	(5.4)	(6.6)
Provision (benefit) for income taxes from continuing operations	2.8	(4.1)
Loss from continuing operations	(8.2)	(2.5)
Loss from discontinued operations	(2.1)	(0.5)
Net loss	(10.3)	(3.0)
Basic income (loss) per common share:
Net loss from continuing operations (in dollars per share)	$ (0.14)	$ (0.08)
Net Loss from discontinued operations (in dollars per share)	$ (0.04)	$ (0.01)
Net loss per common share (in dollars per share)	$ (0.18)	$ (0.09)
Diluted income (loss) per common share:
Net loss from continuing operations (in dollars per share)	$ (0.14)	$ (0.08)
Net Loss from discontinued operations (in dollars per share)	$ (0.04)	$ (0.01)
Net loss per common share (in dollars per share)	$ (0.18)	$ (0.09)
Weighted average common shares outstanding:
Basic (in shares)	56.6	32.5
Diluted (in shares)	56.6	32.5
Comprehensive Loss
Net loss from above	(10.3)	(3.0)
Other comprehensive income:
Change in cumulative translation adjustment	0.1	0
Other comprehensive income, net of tax	0.1	0
Comprehensive loss	$ (10.2)	$ (3.0)