Acquisition of Construction Services Business (Tables)

3 Months Ended

Mar. 31, 2018

Business Combinations [Abstract]

Summary of Preliminary Estimated Fair Values of Assets Acquired and Liabilities Assumed

The estimated fair values of assets acquired and liabilities assumed as of November 1, 2017, are as follows (in millions of dollars):

	Acquisition Date			Measurement Period Adjustments			Revised Acquisition Date
Cash and cash equivalents	$	0.8		$	—		$	0.8
Contracts receivable		18.3			—			18.3
Other receivables		5.4			—			5.4
Property, plant and equipment		15.1			—			15.1
Prepaid expenses and deposits		1.7			(0.1	)		1.6
Intangible assets		44.8			—			44.8
Goodwill		32.0			0.2			32.2
Total assets acquired		118.1			0.1			118.2
Current liabilities		(18.5	)		(0.1	)		(18.6	)
Other long-term liabilities		(0.3	)		—			(0.3	)
Net assets acquired	$	99.3		$	—		$	99.3