Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income Activity (Details)

v3.19.3
Accumulated Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income Activity (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended
Jan. 01, 2018
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2017
Jun. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning balance $ 550.0 $ 339.5 $ 377.6 $ 391.0 $ 551.8 $ 543.0 $ 550.0   $ 550.0 $ 391.0 $ 550.0
Total other comprehensive (loss) income   (1.7) (2.5) 2.9 (4.6) (2.8) 7.6 $ (4.6)   (1.3) 0.2
Ending balance   306.5 339.5 377.6   551.8 543.0 556.8 551.8 306.5  
Foreign Currency Translation Adjustments                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning balance 7.7     1.7     7.7   7.7 1.7 7.7
Cumulative effect of adoption of ASU 2018-02 as of January 1 0.0                    
Other comprehensive (loss) income before reclassifications, net of tax impact                   (4.3) (6.2)
Amounts reclassified from accumulated other comprehensive income                   0.0 0.0
Total other comprehensive (loss) income                   (4.3) (6.2)
Ending balance   (2.6)     1.5         (2.6) 1.5
AOCI, tax   2.6     0.0         2.6 0.0
Derivative Adjustments                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning balance (1.0)     0.8     (1.0)   (1.0) 0.8 (1.0)
Cumulative effect of adoption of ASU 2018-02 as of January 1 0.1                    
Other comprehensive (loss) income before reclassifications, net of tax impact                   (0.1) 0.7
Amounts reclassified from accumulated other comprehensive income                   (0.6) 0.4
Total other comprehensive (loss) income                   (0.7) 1.1
Ending balance   0.1     0.2         0.1 0.2
AOCI, tax   (0.1)     (0.3)         (0.1) (0.3)
Pension and Postretirement Adjustments                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning balance (59.2)     (64.1)     (59.2)   (59.2) (64.1) (59.2)
Cumulative effect of adoption of ASU 2018-02 as of January 1 (12.7)                    
Other comprehensive (loss) income before reclassifications, net of tax impact                   (0.4) 0.3
Amounts reclassified from accumulated other comprehensive income                   4.1 5.0
Total other comprehensive (loss) income                   3.7 5.3
Ending balance   (60.4)     (66.6)         (60.4) (66.6)
AOCI, tax   (0.4)     0.3         (0.4) 0.3
Total Accumulated Other Comprehensive (Loss) Income                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning balance (52.5) (61.2) (58.7) (61.6) (60.3) (57.5) (52.5)   (52.5) (61.6) (52.5)
Cumulative effect of adoption of ASU 2018-02 as of January 1 $ (12.6)                    
Other comprehensive (loss) income before reclassifications, net of tax impact                   (4.8) (5.2)
Amounts reclassified from accumulated other comprehensive income                   3.5 5.4
Total other comprehensive (loss) income   (1.7) (2.5) 2.9   (2.8) 7.6 (4.6)   (1.3) 0.2
Ending balance   (62.9) $ (61.2) $ (58.7) (64.9) $ (60.3) $ (57.5) $ (64.9) $ (60.3) (62.9) (64.9)
AOCI, tax   $ (4.8)     $ 0.0         $ (4.8) $ 0.0