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. 30, 2013	Jun. 24, 2012	Jun. 30, 2013	Jun. 24, 2012
Service revenues	$ 110.2	$ 112.1	$ 226.2	$ 214.2
Product sales	125.0	107.7	262.3	215.1
Total revenues	235.2	219.8	488.5	429.3
Cost of service revenues	83.3	86.7	171.9	166.5
Cost of product sales	91.5	75.4	190.4	147.7
Total costs	174.8	162.1	362.3	314.2
Gross profit	60.4	57.7	126.2	115.1
Selling, general and administrative expenses	48.0	42.6	97.1	86.4
Merger and acquisition expenses	(2.6)	1.5	(2.5)	2.4
Research and development expenses	4.8	4.8	9.7	8.4
Unused office space and other restructuring	1.3	1.4	1.6	1.4
Operating income from continuing operations	8.9	7.4	20.3	16.5
Other income (expense):
Interest expense, net	(16.3)	(16.2)	(32.5)	(32.3)
Other income (expense), net	0.2	0.5	(0.6)	0.9
Total other expense, net	(16.1)	(15.7)	(33.1)	(31.4)
Loss from continuing operations before income taxes	(7.2)	(8.3)	(12.8)	(14.9)
Provision (benefit) for income taxes from continuing operations	(0.1)	6.6	2.7	2.5
Loss from continuing operations	(7.1)	(14.9)	(15.5)	(17.4)
Loss from discontinued operations	(2.5)	(2.3)	(4.4)	(2.8)
Net loss	(9.6)	(17.2)	(19.9)	(20.2)
Basic income (loss) per common share:
Net loss from continuing operations (in dollars per share)	$ (0.12)	$ (0.36)	$ (0.27)	$ (0.47)
Net Loss from discontinued operations (in dollars per share)	$ (0.05)	$ (0.05)	$ (0.08)	$ (0.07)
Net loss per common share (in dollars per share)	$ (0.17)	$ (0.41)	$ (0.35)	$ (0.54)
Diluted income (loss) per common share:
Net loss from continuing operations (in dollars per share)	$ (0.12)	$ (0.36)	$ (0.27)	$ (0.47)
Net Loss from discontinued operations (in dollars per share)	$ (0.05)	$ (0.05)	$ (0.08)	$ (0.07)
Net loss per common share (in dollars per share)	$ (0.17)	$ (0.41)	$ (0.35)	$ (0.54)
Weighted average common shares outstanding:
Basic (in shares)	56.6	41.7	56.6	37.1
Diluted (in shares)	56.6	41.7	56.6	37.1
Comprehensive Loss
Net loss from above	(9.6)	(17.2)	(19.9)	(20.2)
Other comprehensive income:
Change in cumulative translation adjustment	0	(0.2)	0.1	(0.2)
Other comprehensive income (loss), net of tax	0	(0.2)	0.1	(0.2)
Comprehensive loss	$ (9.6)	$ (17.4)	$ (19.8)	$ (20.4)