Stock Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2017

Share-based Compensation [Abstract]

Schedule of stock compensation expense

The Company recorded stock compensation expense as follows for the three months ended March 31, 2017 and 2016 (in millions):

	Three Months Ended March 31,
	2017		2016
Cost of goods sold	$	0.6	$	0.4
Selling, general and administrative expenses	11.4		5.1
Total stock compensation expense	$	12.0	$	5.5

Schedule of LTIP and Performance Awards activity

Performance award transactions during the three months ended March 31, 2017 were as follows and are presented as if the Company were to achieve its maximum levels of performance under the plan awards:

Shares awarded but not earned at January 1	1,982,120
Shares awarded	531,596
Shares forfeited or unearned	(177,584	)
Shares earned	—
Shares awarded but not earned at March 31	2,336,132

Schedule of RSU activity

RSU transactions during the three months ended March 31, 2017 were as follows:

Shares awarded but not vested at January 1	222,730
Shares awarded	108,588
Shares forfeited	(1,318	)
Shares vested	(86,783	)
Shares awarded but not vested at March 31	243,217

Schedule of SARS activity

SSAR transactions during the three months ended March 31, 2017 were as follows:

SSARs outstanding at January 1	1,458,611
SSARs granted	284,500
SSARs exercised	(223,019	)
SSARs canceled or forfeited	(3,000	)
SSARs outstanding at March 31	1,517,092