Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Trade receivables, net of allowance for doubtful accounts	$ 23.6	$ 24.9
Inventory reserves	$ 27.6	$ 21.9
Preferred stock, par value per share	$ 0.10	$ 0.10
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Common stock, par value per share	$ 0.10	$ 0.10
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	227,292,089	225,625,636
Common stock, shares outstanding	193,307,520	196,013,299
Common stock in treasury, shares	33,984,569	29,612,337
Restatement Adjustment [Member]
Increase to property and equipment, net		$ 15.0
Increase to other non-current liabilities		15.0
Restatement Adjustment [Member] | Accounting Standards Update 2015-03 and Accounting Standards Update 2015-15 [Member]
Increase to property and equipment, net		15.0
Increase to other non-current liabilities		$ 15.0