CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 28, 2014	Dec. 29, 2013
Current assets:
Cash and cash equivalents	$ 34.7	$ 55.7
Restricted cash	5.4	5.0
Accounts receivable, net	248.2	265.8
Inventoried costs	68.0	74.6
Income taxes receivable	1.3	2.1
Prepaid expenses	8.5	10.4
Other current assets	8.8	16.7
Total current assets	374.9	430.3
Property, plant and equipment, net	82.6	84.8
Goodwill	596.4	596.4
Intangible assets, net	52.3	69.9
Other assets	32.6	35.2
Total assets	1,138.8	1,216.6
Current liabilities:
Accounts payable	48.4	61.9
Accrued expenses	34.2	46.2
Accrued compensation	46.4	44.9
Accrued interest	5.6	5.2
Billings in excess of costs and earnings on uncompleted contracts	52.1	52.5
Deferred income tax liability	30.3	28.4
Other current liabilities	6.8	8.1
Current portion of long-term debt	1.0	1.0
Current portion of capital lease obligations	0.1	0.3
Current liabilities of discontinued operations	1.2	2.5
Total current liabilities	226.1	251.0
Long-term debt principal, net of current portion	622.0	628.8
Long-term debt premium	0	14.5
Line of credit	41.0	0
Capital lease obligations, net of current portion	0	0.1
Deferred income tax liability	0.9	0.7
Other long-term liabilities	24.5	25.5
Long-term liabilities of discontinued operations	0	0.2
Total liabilities	914.5	920.8
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000,000 authorized, 0 shares outstanding at December 29, 2013 and December 28, 2014	0	0
Common stock, $0.001 par value, 195,000,000 shares authorized; 57,056,892 and 57,801,978 shares issued and outstanding at December 29, 2013 and December 28, 2014, respectively	0	0
Additional paid-in capital	863.4	856.0
Accumulated other comprehensive loss	(1.7)	(0.8)
Accumulated deficit	(637.4)	(559.4)
Total stockholders' equity	224.3	295.8
Total liabilities and stockholders’ equity	$ 1,138.8	$ 1,216.6