CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 25, 2012	Mar. 27, 2011
Operating activities:
Net loss	$ (3.0)	$ (3.5)
Less: Loss from discontinued operations	(0.5)	0.3
Loss from continuing operations	(2.5)	(3.8)
Adjustments to reconcile loss from continuing operations to net cash provided by (used in) operating activities from continuing operations:
Depreciation and amortization	13.6	4.8
Deferred income taxes		0.3
Stock-based compensation	1.1	0.6
Mark to market on swaps		(0.3)
Amortization of deferred financing costs	1.3	0.4
Amortization of premium on Senior Secured Notes	(1.0)
Provision for doubtful accounts	0.3
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	12.9	3.0
Inventoried costs	(7.1)	1.3
Prepaid expenses and other assets	(4.9)	0.9
Accounts payable	6.0	3.1
Accrued compensation	0.7	2.0
Accrued expenses	11.9	(9.0)
Billings in excess of costs and earnings on uncompleted contracts	(1.1)	(4.3)
Income tax receivable and payable	(5.0)	(2.2)
Other liabilities	(1.2)
Net cash provided by (used in) operating activities from continuing operations	25.0	(3.2)
Investing activities:
Cash paid for acquisitions, net of cash acquired	(20.0)	(224.1)
Decrease (increase) in restricted cash	0.4	(101.1)
Cash paid for contingent acquisition consideration	(1.5)
Capital expenditures	(2.7)	(0.5)
Net cash used in investing activities from continuing operations	(23.8)	(325.7)
Financing activities:
Proceeds from the issuance of long-term debt		314.0
Proceeds from the issuance of common stock		61.5
Repayment of term loan	(0.3)
Debt issuance costs		(13.0)
Other	(0.1)	1.2
Net cash provided by (used in) financing activities from continuing operations	(0.4)	363.7
Net cash flows of continuing operations	0.8	34.8
Net operating cash flows of discontinued operations	3.9	(0.1)
Effect of exchange rate changes on cash and cash equivalents	(0.1)
Net increase in cash and cash equivalents	4.6	34.7
Cash and cash equivalents at beginning of period	69.6	10.8
Cash and cash equivalents at end of period	$ 74.2	$ 45.5