Schedule of Gross Carrying Value and Accumulated Amortization for Each Major Class of Intangible Asset (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 444,184	$ 429,063
Intangible assets - Gross Carrying Amount	506,284	491,163
Amortized intangible assets - Accumulated Amortization	(195,057)	(149,791)
Amortized intangible assets - Net	249,127	279,272
Intangible assets - Net	311,227	341,372
Patents
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	10,673	10,650
Amortized intangible assets - Accumulated Amortization	(5,179)	(4,273)
Amortized intangible assets - Net	5,494	6,377
Amortized intangible assets - Weighted Average Life	11 years
Trade Names
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	104,582	103,113
Amortized intangible assets - Accumulated Amortization	(28,310)	(21,603)
Amortized intangible assets - Net	76,272	81,510
Amortized intangible assets - Weighted Average Life	16 years
Customer Relationships
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	242,674	230,196
Amortized intangible assets - Accumulated Amortization	(121,092)	(93,273)
Amortized intangible assets - Net	121,582	136,923
Amortized intangible assets - Weighted Average Life	10 years
Non-Compete Agreements
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	3,769	3,505
Amortized intangible assets - Accumulated Amortization	(3,272)	(2,827)
Amortized intangible assets - Net	497	678
Amortized intangible assets - Weighted Average Life	3 years
Unpatented technology and other
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	75,528	74,758
Amortized intangible assets - Accumulated Amortization	(32,905)	(24,211)
Amortized intangible assets - Net	42,623	50,547
Amortized intangible assets - Weighted Average Life	11 years
Other Amortizable Intangible Assets
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	6,958	6,841
Amortized intangible assets - Accumulated Amortization	(4,299)	(3,604)
Amortized intangible assets - Net	2,659	3,237
Amortized intangible assets - Weighted Average Life	10 years
Banjo Trade Name
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Gross Carrying Amount	62,100	62,100
Indefinite lived intangible assets - Net	$ 62,100	$ 62,100