Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share of Common Stock (Details)

v3.7.0.1
Earnings Per Share of Common Stock (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Numerator        
Income (loss) from continuing operations $ 5.4 $ 7.0 $ (2.4) $ 4.5
Gain on disposal of discontinued operations, net tax 0.0 0.0 0.0 1.7
Net income (loss) $ 5.4 $ 7.0 $ (2.4) $ 6.2
Denominator        
Weighted average number of common shares outstanding (in shares) 27,638,329 27,743,714 27,779,878 27,740,817
Weighted average number of vested shares not yet issued (in shares) 108,368 154,767 101,023 63,904
Weighted average number of common shares outstanding - Basic (in shares) 27,746,697 27,898,481 27,880,901 27,804,721
Dilutive stock-based compensation awards outstanding (in shares) 233,641 406,931 0 203,465
Weighted average number of common shares outstanding - Diluted (in shares) 27,980,338 28,305,412 27,880,901 28,008,186
Performance awards        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities excluded from computation of earnings per share (in shares) 874,337 924,579 836,655 924,579
Stock compensation performance awards        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities excluded from computation of earnings per share (in shares) 530,321 391,353 803,432 391,353
Common Stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Issuance of common stock at separation (in shares)       27,738,779