CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Income Statement [Abstract]
Service revenues	$ 443.6	$ 450.0	$ 351.0
Product sales	507.0	519.2	362.9
Total revenues	950.6	969.2	713.9
Cost of service revenues	335.2	350.8	260.7
Cost of product sales	375.4	361.2	262.0
Total costs	710.6	712.0	522.7
Gross profit	240.0	257.2	191.2
Selling, general and administrative expenses	193.0	193.1	140.6
Merger and acquisition related items	(3.8)	(2.7)	12.5
Research and development expenses	21.4	17.8	8.6
Impairment of goodwill and intangible assets	0	96.6	0
Unused office space and other	(2.4)	2.1	0
Operating income (loss) from continuing operations	31.8	(49.7)	29.5
Other income (expense):
Interest expense, net	(63.7)	(66.1)	(51.1)
Other income, net	0	1.3	0
Total other expense, net	(63.7)	(64.8)	(51.1)
Loss from continuing operations before income taxes	(31.9)	(114.5)	(21.6)
Provision (benefit) for income taxes from continuing operations	0	(1.6)	1.9
Loss from continuing operations	(31.9)	(112.9)	(23.5)
Loss from discontinued operations	(5.3)	(1.5)	(0.7)
Net loss	(37.2)	(114.4)	(24.2)
Basic and diluted loss per common share:
Net loss from continuing operations (in dollars per share)	$ (0.56)	$ (2.41)	$ (0.86)
Net loss from discontinued operations (in dollars per share)	$ (0.09)	$ (0.03)	$ (0.02)
Net loss per common share (in dollars per share)	$ (0.65)	$ (2.44)	$ (0.88)
Weighted average common shares outstanding:
Basic and diluted (in shares)	56.8	46.9	27.4
Comprehensive Loss
Net loss from above	(37.2)	(114.4)	(24.2)
Other comprehensive loss:
Change in cumulative translation adjustment	0	(0.4)	0.1
Post retirement benefit reserve adjustment net of tax expense	0	(0.2)	(0.3)
Other comprehensive loss, net of tax	0	(0.6)	(0.2)
Comprehensive loss	$ (37.2)	$ (115.0)	$ (24.4)