Investments (Tables)

9 Months Ended

Oct. 01, 2016

Investments [Abstract]

Unrealized gain (loss) on investments

Unrealized investment gains (losses) on available for sale securities were as follows (in millions):

	October 1, 2016		December 31, 2015
Equity securities, at cost less impairments	$	20.1	$	6.4
Gross unrealized gains	32.9		9.3
Gross unrealized losses	—		(0.8		)
Estimated fair value of equity securities	$	53.0	$	14.9