CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Sep. 28, 2014	Dec. 29, 2013
Current assets:
Cash and cash equivalents	$ 16.2	$ 55.7
Restricted cash	5.2	5.0
Accounts receivable, net	255.1	265.8
Inventoried costs	80.4	74.6
Prepaid expenses	9.0	10.4
Other current assets	10.8	18.8
Total current assets	376.7	430.3
Property, plant and equipment, net	82.6	84.8
Goodwill	596.4	596.4
Intangible assets, net	57.8	69.9
Other assets	32.4	35.2
Total assets	1,145.9	1,216.6
Current liabilities:
Accounts payable	49.2	61.9
Accrued expenses	37.0	46.2
Accrued compensation	37.1	44.9
Accrued interest	16.7	5.2
Billings in excess of costs and earnings on uncompleted contracts	47.2	52.5
Deferred income tax liability	28.4	28.4
Other current liabilities	11.6	11.9
Total current liabilities	227.2	251.0
Long-term debt principal, net of current portion	621.9	628.8
Long-term debt premium	0	14.5
Line of credit	41.0	0
Other long-term liabilities	24.8	26.5
Total liabilities	914.9	920.8
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000,000 shares authorized, 0 shares outstanding at December 29, 2013 and September 28, 2014	0	0
Common stock, $0.001 par value, 195,000,000 shares authorized; 57,056,892 and 57,795,095 shares issued and outstanding at December 29, 2013 and September 28, 2014, respectively	0	0
Additional paid-in capital	867.2	856.0
Accumulated other comprehensive loss	(1.0)	(0.8)
Accumulated deficit	(635.2)	(559.4)
Total stockholders' equity	231.0	295.8
Total liabilities and stockholders’ equity	$ 1,145.9	$ 1,216.6