CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 25, 2011
Operating activities:
Net loss	$ (24.4)	$ (15.6)
Less: Income (loss) from discontinued operations	(2.6)	0.7
Loss from continuing operations	(21.8)	(16.3)
Adjustments to reconcile loss from continuing operations to net cash provided by operating activities from continuing operations:
Depreciation and amortization	42.5	31.4
Deferred income taxes	1.4	0.2
Stock-based compensation	4.6	2.3
Mark to market on swaps	0	(0.3)
Amortization of deferred financing costs	3.8	2.5
Amortization of premium on Senior Secured Notes	(3.1)	0
Provision for doubtful accounts	0.4	0.3
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	(6.3)	(10.6)
Inventoried costs	(10.4)	3.3
Prepaid expenses and other assets	(1.9)	10.3
Accounts payable	22.8	(42.4)
Accrued compensation	(1.5)	1.1
Accrued expenses	(5.2)	17.3
Accrued interest payable	16.6	20.6
Billings in excess of costs and earnings on uncompleted contracts	(4.7)	(5.9)
Income tax receivable and payable	(0.8)	1.0
Other liabilities	(1.3)	(2.2)
Net cash provided by operating activities from continuing operations	35.1	12.6
Investing activities:
Cash paid for acquisitions, net of cash acquired	(149.4)	(373.8)
Decrease in restricted cash	0.5	3.3
Capital expenditures	(12.0)	(5.3)
Net cash used in investing activities from continuing operations	(160.9)	(375.8)
Financing activities:
Proceeds from the issuance of long-term debt	0	427.5
Proceeds from the issuance of common stock	97.0	61.1
Debt issuance costs	(1.2)	(20.6)
Borrowing under the line of credit	40.0	0
Repayment of debt	(40.8)	(2.5)
Cash paid for contingent acquisition consideration	(2.5)	0
Other	(0.9)	1.5
Net cash provided by financing activities from continuing operations	91.6	467.0
Net cash flows of continuing operations	(34.2)	103.8
Net operating cash flows of discontinued operations	2.1	(5.3)
Effect of exchange rate changes on cash and cash equivalents	0.1	(0.2)
Net increase (decrease) in cash and cash equivalents	(32.0)	98.3
Cash and cash equivalents at beginning of period	69.6	10.8
Cash and cash equivalents at end of period	$ 37.6	$ 109.1