CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Income Statement [Abstract]
Service revenues	$ 100.6	$ 115.5
Product sales	99.5	137.3
Total revenues	200.1	252.8
Cost of service revenues	74.1	88.2
Cost of product sales	73.4	98.9
Total costs	147.5	187.1
Gross profit	52.6	65.7
Selling, general and administrative expenses	43.4	49.2
Merger and acquisition expenses	0	0.1
Research and development expenses	5.2	4.9
Unused office space and other restructuring	0.7	0
Operating income from continuing operations	3.3	11.5
Other income (expense):
Interest expense, net	(16.1)	(16.2)
Other income (expense), net	0.2	(0.7)
Total other expense, net	(15.9)	(16.9)
Loss from continuing operations before income taxes	(12.6)	(5.4)
Provision for income taxes from continuing operations	2.3	2.8
Loss from continuing operations	(14.9)	(8.2)
Loss from discontinued operations	(0.1)	(2.1)
Net loss	(15.0)	(10.3)
Basic and diluted loss per common share:
Net loss from continuing operations (in dollars per share)	$ (0.26)	$ (0.14)
Net Loss from discontinued operations (in dollars per share)	$ 0.00	$ (0.04)
Net loss per common share (in dollars per share)	$ (0.26)	$ (0.18)
Basic and diluted weighted average shares outstanding	57.4	56.6
Comprehensive Loss
Net loss	(15.0)	(10.3)
Change in cumulative translation adjustment	(0.1)	0.1
Comprehensive loss	$ (15.1)	$ (10.2)