CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014
Operating activities:
Net loss	$ (16.3)	$ (15.0)
Less: Income (loss) from discontinued operations	0.2	(0.1)
Loss from continuing operations	(16.5)	(14.9)
Adjustments to reconcile loss from continuing operations to net cash provided by (used in) operating activities from continuing operations:
Depreciation and amortization	8.5	9.6
Stock-based compensation	2.0	1.8
Deferred income taxes	1.8	0
Amortization of deferred financing costs	0.5	1.3
Amortization of premium and discount on Senior Secured Notes	0.3	(1.0)
Provision for doubtful accounts	0.1	0.1
Changes in unused office space accrual	0	0.2
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	9.6	17.8
Inventoried costs	(6.0)	(6.7)
Prepaid expenses and other assets	(1.4)	2.2
Accounts payable	(6.4)	(13.7)
Accrued compensation	(7.2)	(6.3)
Accrued expenses	(2.8)	(5.2)
Advance payments received on contracts	1.7	0
Accrued interest payable	10.9	15.6
Billings in excess of costs and earnings on uncompleted contracts	4.4	(0.1)
Income tax receivable and payable	(0.1)	1.8
Other liabilities	(2.3)	(0.8)
Net cash provided by (used in) operating activities from continuing operations	(2.9)	1.7
Investing activities:
Cash paid for acquisitions, net of cash acquired	0	(1.6)
Decrease in restricted cash	3.8	0
Capital expenditures	(2.2)	(3.1)
Net cash provided by (used in) investing activities from continuing operations	1.6	(4.7)
Financing activities:
Repayment of debt	(0.2)	(0.2)
Other	1.7	1.6
Net cash provided by financing activities from continuing operations	1.5	1.4
Net cash flows of continuing operations	0.2	(1.6)
Net operating cash flows of discontinued operations	(0.2)	(0.5)
Effect of exchange rate changes on cash and cash equivalents	(0.3)	0
Net decrease in cash and cash equivalents	(0.3)	(2.1)
Cash and cash equivalents at beginning of period	34.7	55.7
Cash and cash equivalents at end of period	$ 34.4	$ 53.6