CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 30, 2014	Dec. 29, 2013
Current assets:
Cash and cash equivalents	$ 53.6	$ 55.7
Restricted cash	5.0	5.0
Accounts receivable, net	248.0	265.8
Inventoried costs	81.1	74.6
Prepaid expenses	10.8	10.4
Other current assets	14.8	18.8
Total current assets	413.3	430.3
Property, plant and equipment, net	84.0	84.8
Goodwill	596.4	596.4
Intangible assets, net	64.3	69.9
Other assets	38.4	35.2
Total assets	1,196.4	1,216.6
Current liabilities:
Accounts payable	48.2	61.9
Accrued expenses	41.1	46.2
Accrued compensation	38.7	44.9
Accrued interest	20.8	5.2
Billings in excess of costs and earnings on uncompleted contracts	54.5	52.5
Deferred income tax liability	28.4	28.4
Other current liabilities	12.4	11.9
Total current liabilities	244.1	251.0
Long-term debt principal, net of current portion	628.5	628.8
Long-term debt premium	13.5	14.5
Other long-term liabilities	26.2	26.5
Total liabilities	912.3	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 March 30, 2014	0	0
Common stock, $0.001 par value, 195,000,000 shares authorized; 57,056,892 and 57,420,366 shares issued and outstanding at December 29, 2013 and March 30, 2014, respectively	0	0
Additional paid-in capital	859.5	856.0
Accumulated other comprehensive loss	(0.9)	(0.8)
Accumulated deficit	(574.5)	(559.4)
Total stockholders' equity	284.1	295.8
Total liabilities and stockholders’ equity	$ 1,196.4	$ 1,216.6