Acquisitions and Divestitures (Tables)

6 Months Ended

Jun. 30, 2014

Business Combinations [Abstract]

Acquisition and divestiture activity

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(in millions)
Acquisitions:
Purchase price	$	7.7	$	29.6	$	125.3	$	83.4
Net cash paid	$	6.2	$	28.1	$	118.8	$	37.2
Goodwill recorded	$	5.1	$	7.0	$	87.2	$	9.5
Divestitures:
Proceeds	$	—	$	—	$	—	$	35.6
Gain recognized	$	—	$	0.1	$	—	$	12.5
Goodwill charged off	$	—	$	—	$	—	$	4.8

Condensed results of operations for the ready-mix concrete operations

Condensed results of operations for the ready-mix concrete operations for the three and six months endedJune 30, 2014 and 2013 are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
	(in millions)
Revenues	$	—		$	—		$	—		$	31.6
Loss from discontinued operations before income taxes	$	(0.2	)	$	(1.6	)	$	(0.7	)	$	(2.3	)
Income tax benefit	—			(0.5		)	(0.2		)	(0.8		)
Net loss from discontinued operations	$	(0.2	)	$	(1.1	)	$	(0.5	)	$	(1.5	)