Investments (Tables)

3 Months Ended

Apr. 01, 2017

Investments [Abstract]

Unrealized gain (loss) on investments

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

	April 1, 2017		December 31, 2016
Equity securities, at cost less impairments	$	15.5	$	16.5
Gross unrealized gains	7.3		21.7
Estimated fair value of equity securities	$	22.8	$	38.2