Insurance Operations (Tables)

12 Months Ended

Dec. 31, 2015

Insurance [Abstract]

Summary of Reconciliations of Direct to Net premiums on Written and Earned Basis Related to Wholly Owned Insurance Company Subsidiary

Reconciliations of direct to net premiums, on a written and earned basis, for 2015, 2014 and 2013 related to the wholly-owned insurance company subsidiary discussed above are as follows (in millions):

	2015						2014						2013
	Written			Earned			Written			Earned			Written		Earned
Direct	$	71.5		$	71.7		$	34.9		$	2.4		$	—	$	—
Assumed		4.4			5.1			2.3			0.2			—		—
Ceded		(75.9	)		(76.8	)		(37.2	)		(2.6	)		—		—
Net	$	—		$	—		$	—		$	—		$	—	$	—