CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Income Statement [Abstract]
Service revenues	$ 101.8	$ 110.2	$ 202.4	$ 226.2
Product sales	127.5	125.0	227.0	262.3
Total revenues	229.3	235.2	429.4	488.5
Cost of service revenues	77.9	83.3	152.0	171.9
Cost of product sales	95.0	91.5	168.4	190.4
Total costs	172.9	174.8	320.4	362.3
Gross profit	56.4	60.4	109.0	126.2
Selling, general and administrative expenses	44.9	48.0	88.3	97.1
Merger and acquisition expenses	0	(2.6)	0	(2.5)
Research and development expenses	5.9	4.8	11.1	9.7
Unused office space and other restructuring	0.9	1.3	1.6	1.6
Operating income from continuing operations	4.7	8.9	8.0	20.3
Other income (expense):
Interest expense, net	(14.0)	(16.3)	(30.1)	(32.5)
Loss on extinguishment of debt	(39.1)	0	(39.1)	0
Other income (expense), net	0.2	0.2	0.4	(0.6)
Total other expense, net	(52.9)	(16.1)	(68.8)	(33.1)
Loss from continuing operations before income taxes	(48.2)	(7.2)	(60.8)	(12.8)
Provision (benefit) for income taxes from continuing operations	1.6	(0.1)	3.9	2.7
Loss from continuing operations	(49.8)	(7.1)	(64.7)	(15.5)
Loss from discontinued operations	(0.1)	(2.5)	(0.2)	(4.4)
Net loss	(49.9)	(9.6)	(64.9)	(19.9)
Basic and diluted loss per common share:
Net loss from continuing operations (in dollars per share)	$ (0.87)	$ (0.12)	$ (1.13)	$ (0.27)
Net Loss from discontinued operations (in dollars per share)	$ 0.00	$ (0.05)	$ 0.00	$ (0.08)
Net loss per common share (in dollars per share)	$ (0.87)	$ (0.17)	$ (1.13)	$ (0.35)
Basic and diluted weighted average shares outstanding	57.4	56.6	57.4	56.6
Comprehensive Loss
Net loss	(49.9)	(9.6)	(64.9)	(19.9)
Change in cumulative translation adjustment	0	0	(0.1)	0.1
Comprehensive loss	$ (49.9)	$ (9.6)	$ (65.0)	$ (19.8)