Annual report pursuant to Section 13 and 15(d)

Nature of Operations - Sales by Geographic Region (Details)

v3.7.0.1
Nature of Operations - Sales by Geographic Region (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales $ 271.7 $ 313.4 $ 323.7 $ 284.4 $ 280.1 $ 322.6 $ 326.6 $ 259.4 $ 1,193.2 $ 1,188.7 $ 1,220.4
United States                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 1,015.9 1,017.9 1,027.4
Other                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net sales                 $ 177.3 $ 170.8 $ 193.0