Number of reporting units tested for interim goodwill impairment as a result of financial performance compared to forecasted results.

No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-SubTopic 20

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended
	Jun. 30, 2013 Reporting_Unit	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013 Canada [Member]	Dec. 31, 2012 Acofran [Member]
Goodwill [Line Items]
Goodwill related to acquisition					$ 0.2
Reporting unit tested for goodwill	1
Impairment charges in the second quarter	6.8
Goodwill		$ 92.0	$ 97.0	$ 0