Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of inventory

Inventories are stated at the lower of cost or market, determined by the first-in, first-out method, and consist of the following:

	June 30,		December 31,
(in millions)	2018		2017
Finished goods	$	149.1	$	121.8
Work-in-process	10.8		11.5
Raw materials and supplies	64.5		49.7
	$	224.4	$	183.0

Changes in accrued sales returns

The Company had the following activity for sales returns from December 31, 2017 to June 30, 2018:

(in millions)
Balance as of December 31, 2017	$	30.0
Reclassification and remeasurement of sales return asset under Topic 606	1.7
Balance as of January 1, 2018	31.7
Amounts accrued	46.5
Returns charged to accrual	(43.3		)
Balance as of June 30, 2018	$	34.9

Warranty activity

The Company had the following activity for its accrued warranty expense from December 31, 2017 to June 30, 2018:

(in millions)
Balance as of December 31, 2017	$	36.7
Remeasurement of obligations under Topic 606	2.8
Balance as of January 1, 2018	39.5
Amounts accrued	19.1
Warranties charged to accrual	(21.4		)
Balance as of June 30, 2018	$	37.2