Accounts Receivable, net

3 Months Ended

Mar. 31, 2016

Accounts Receivable, Net, Current [Abstract]

Accounts receivable, net consists of the following:



	March 31, 2016			December 31, 2015
Trade receivables⁽¹⁾	$	661.3		$	524.3
Other	28.0			18.8
Less: allowance for doubtful accounts	(6.1		)	(6.1		)
Accounts receivable, net	$	683.2		$	537.0


(1)	Includes unbilled receivables of $32.3 and $30.5 at March 31, 2016 and December 31, 2015, respectively.

Accounts receivable, net includes unbilled receivables on long-term aerospace contracts, comprised principally of revenue recognized on contracts for which amounts were earned but not contractually billable as of the balance sheet date, or amounts earned for which the recovery will occur over the term of the contract, which could exceed one year.