CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Jun. 29, 2014	Dec. 29, 2013
Current assets:
Cash and cash equivalents	$ 26.9	$ 55.7
Restricted cash	5.1	5.0
Accounts receivable, net	265.9	265.8
Inventoried costs	78.5	74.6
Prepaid expenses	11.6	10.4
Other current assets	10.5	18.8
Total current assets	398.5	430.3
Property, plant and equipment, net	84.2	84.8
Goodwill	596.4	596.4
Intangible assets, net	62.6	69.9
Other assets	30.4	35.2
Total assets	1,172.1	1,216.6
Current liabilities:
Accounts payable	70.1	61.9
Accrued expenses	40.8	46.2
Accrued compensation	38.7	44.9
Accrued interest	5.7	5.2
Billings in excess of costs and earnings on uncompleted contracts	49.2	52.5
Deferred income tax liability	28.4	28.4
Other current liabilities	14.0	11.9
Total current liabilities	246.9	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	25.2	26.5
Total liabilities	935.0	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 June 29, 2014	0	0
Common stock, $0.001 par value, 195,000,000 shares authorized; 57,056,892 and 57,435,202 shares issued and outstanding at December 29, 2013 and June 29, 2014, respectively	0	0
Additional paid-in capital	862.3	856.0
Accumulated other comprehensive loss	(0.9)	(0.8)
Accumulated deficit	(624.3)	(559.4)
Total stockholders' equity	237.1	295.8
Total liabilities and stockholders’ equity	$ 1,172.1	$ 1,216.6