Acquisitions (Tables)

3 Months Ended

Mar. 28, 2014

Business Combinations [Abstract]

Unaudited Pro Forma Statements of Operations Data

The following unaudited pro forma Statements of Operations data presents the combined results of the Company and its business acquisitions completed during the quarter ended March 28, 2014 and the year ended December 31, 2013, in each case assuming that the business acquisitions completed during these periods had occurred on January 1, 2013.

	First Quarter Ended
	March 28, 2014		March 29, 2013
	(in millions, except per share data)
Pro forma net sales	$	2,964	$	3,215
Pro forma net income attributable to L-3	$	169	$	191
Pro forma diluted earnings per share	$	1.89	$	2.09