CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 25, 2016	Dec. 27, 2015
Current assets:
Cash and cash equivalents	$ 69.1	$ 28.5
Restricted cash	0.5	0.7
Accounts receivable, net	229.4	206.8
Inventoried costs	55.4	55.6
Income taxes receivable	4.6	4.6
Prepaid expenses	8.9	10.6
Other current assets	5.2	13.6
Total current assets	373.1	320.4
Property, plant and equipment, net	49.8	56.2
Goodwill	485.4	483.4
Intangible assets, net	32.6	36.5
Other assets	7.7	6.8
Total assets	948.6	903.3
Current liabilities:
Accounts payable	52.7	48.3
Accrued expenses	50.0	33.1
Accrued compensation	39.1	36.8
Accrued interest	3.6	3.9
Billings in excess of costs and earnings on uncompleted contracts	41.8	42.3
Other current liabilities	6.7	5.1
Current portion of long-term debt	1.0	1.0
Current liabilities of discontinued operations	1.6	1.9
Total current liabilities	196.5	172.4
Long-term debt principal, net of current portion	431.0	444.1
Deferred income tax liability	17.3	10.5
Other long-term liabilities	23.7	18.0
Long-term liabilities of discontinued operations	3.7	4.1
Total liabilities	672.2	649.1
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000,000 authorized, 0 shares outstanding at December 25, 2016 and December 27, 2015	0.0	0.0
Common stock, $0.001 par value, 195,000,000 shares authorized; 73,945,533 and 59,139,651 shares issued and outstanding at December 25, 2016 and December 27, 2015, respectively	0.0	0.0
Additional paid-in capital	956.2	873.2
Accumulated other comprehensive loss	(1.7)	(1.4)
Accumulated deficit	(678.1)	(617.6)
Total stockholders’ equity	276.4	254.2
Total liabilities and stockholders’ equity	$ 948.6	$ 903.3