Acquisitions and Divestitures (Tables)

12 Months Ended

Dec. 31, 2013

Business Combinations [Abstract]

Acquisition and divestiture activity

The Company's acquisition and divestiture activities are summarized below:

	Year Ended December 31,
	2013		2012		2011
	(in millions)
Acquisitions:
Purchase price	$	125.2	$	48.8	$	56.4
Net cash paid	$	73.2	$	46.2	$	42.5
Goodwill recorded	$	37.0	$	20.9	$	29.3
Divestitures:
Proceeds	$	35.6	$	2.1	$	8.3
Gain recognized	$	12.5	$	1.5	$	0.7
Goodwill charged off	$	4.8	$	0.1	$	1.0

Acquisition activity by segment

The aggregate purchase price related to our acquisition activity for the years ended December 31, 2013, 2012, and 2011 by segment follows:

	Year ended December 31,
	2013		2012		2011
	(in millions)
Rail Group	$	23.1	$	—	$	—
Construction Products Group	74.2		48.8		56.4
Energy Equipment Group	27.9		—		—
	$	125.2	$	48.8	$	56.4

Assets and liabilities classified as held for sale and discontinued operations and consolidated results of operations for the ready-mix concrete operations

Assets and liabilities related to the discontinued operations have been classified as Assets/Liabilities Held for Sale and Discontinued Operations in the accompanying consolidated balance sheets as follows:

	December 31, 2013		December 31, 2012
	(in millions)
Assets of Ready-Mix Concrete Operations:
Inventories	$	—	$	4.5
Property, plant, and equipment, net	—		16.9
Goodwill	—		6.3
Other	—		0.2
	$	—	$	27.9
Liabilities of Ready-Mix Concrete Operations:
Debt	$	—	$	3.7
	$	—	$	3.7

Condensed results of operations for the ready-mix concrete operations for the years ended December 31, 2013, 2012, and 2011 are as follows:

	Year Ended December 31,
	2013			2012		2011
	(in millions)
Revenues	$	31.6		$	121.4	$	136.8
Income (loss) from discontinued operations before income taxes	$	(1.6	)	$	2.9	$	(1.5	)
Provision (benefit) for income taxes	(0.8		)	1.1		(0.4		)
Net income (loss) from discontinued operations	$	(0.8	)	$	1.8	$	(1.1	)