Basis of Presentation and Nature of Operations - Summary of Impact from the Aerospace and Defense Segment Net Sales (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	Dec. 31, 2015	Mar. 31, 2016	Feb. 28, 2015
Change in Accounting Estimate [Line Items]
Favorable effect of the changes in contract estimates on income (loss) from continuing operations before income taxes	$ 7.0	$ 5.2	$ (3.5)
Favorable effect of the changes in contract estimates on net income (loss)	$ 7.0	$ 5.1	$ (3.3)
Favorable effect of the changes in contract estimates on basic net income (loss) per share (in USD per share)			$ (0.06)
Net (loss) income (in USD per share)	$ 0.10	$ 0.08	$ (0.06)
Contracts Accounted for under Percentage-of-Completion [Member]
Change in Accounting Estimate [Line Items]
Favorable effect of the changes in contract estimates on income (loss) from continuing operations before income taxes	$ 11.7	$ 0.0	$ 1.3
Favorable effect of the changes in contract estimates on net income (loss)	$ 7.0	$ 0.0	$ 0.8
Favorable effect of the changes in contract estimates on basic net income (loss) per share (in USD per share)	$ 0.11	$ 0.00	$ 0.01
Net (loss) income (in USD per share)	$ 0.09	$ 0.00	$ 0.01