Summary of Intangible Assets from Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014		Dec. 31, 2013
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount			$ 74,607
Intangible assets gross excluding goodwill	75,005		75,007
Accumulated Amortization	(18,553)		(16,252)
Finite intangible assets, Net Carrying Amount	56,052		58,355
Intangible assets, net	56,452		58,755
Customer Relationships
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	45,599		45,601
Accumulated Amortization	(10,696)		(9,546)
Finite intangible assets, Net Carrying Amount	34,903		36,055
Trademarks/trade names
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	15,813		15,813
Accumulated Amortization	(2,777)		(2,373)
Finite intangible assets, Net Carrying Amount	130,369		13,440
Technology
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	9,527		9,527
Accumulated Amortization	(2,610)		(2,161)
Finite intangible assets, Net Carrying Amount	6,917		7,366
Non-compete agreements
Intangible Assets Net Excluding Goodwill [Line Items]
Gross Carrying Amount	3,666		3,666
Accumulated Amortization	(2,470)		(2,172)
Finite intangible assets, Net Carrying Amount	1,196		1,494
Other Intellectual Property
Intangible Assets Net Excluding Goodwill [Line Items]
Indefinite-lived intangible asset useful life	2 Years	[1]	Indefinite
Indefinite intangible assets, Net Carrying Amount	$ 400	[1]	$ 400
Minimum | Customer Relationships
Intangible Assets Net Excluding Goodwill [Line Items]
Finite intangible assets, useful life	1 year		1 year
Minimum | Trademarks/trade names
Intangible Assets Net Excluding Goodwill [Line Items]
Finite intangible assets, useful life	3 years		3 years
Minimum | Technology
Intangible Assets Net Excluding Goodwill [Line Items]
Finite intangible assets, useful life	5 years		5 years
Minimum | Non-compete agreements
Intangible Assets Net Excluding Goodwill [Line Items]
Finite intangible assets, useful life	2 years		2 years
Maximum | Customer Relationships
Intangible Assets Net Excluding Goodwill [Line Items]
Finite intangible assets, useful life	11 years		11 years
Maximum | Trademarks/trade names
Intangible Assets Net Excluding Goodwill [Line Items]
Finite intangible assets, useful life	11 years		11 years
Maximum | Technology
Intangible Assets Net Excluding Goodwill [Line Items]
Finite intangible assets, useful life	10 years		10 years
Maximum | Non-compete agreements
Intangible Assets Net Excluding Goodwill [Line Items]
Finite intangible assets, useful life	5 years		5 years

[1] ICG currently estimates the residual value of this asset to be $0.4 million.