Other Intangible Assets (Detail) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Other Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	$ 299,615,000	$ 294,415,000
Accumulated Amortization, Definite-lived intangible assets	(105,343,000)	(94,915,000)
Net Carrying Amount, Definite-lived intangible assets	194,272,000	199,500,000
Other intangible assets, Net Carrying Amount	201,737,000	206,744,000
Acquired software
Other Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	84,863,000	83,844,000
Accumulated Amortization, Definite-lived intangible assets	(24,603,000)	(22,254,000)
Net Carrying Amount, Definite-lived intangible assets	60,260,000	61,590,000
Non-compete agreement
Other Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	100,000	100,000
Accumulated Amortization, Definite-lived intangible assets	(100,000)	(100,000)
Net Carrying Amount, Definite-lived intangible assets	0	0
Customer relationships
Other Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	201,422,000	197,424,000
Accumulated Amortization, Definite-lived intangible assets	(77,692,000)	(70,021,000)
Net Carrying Amount, Definite-lived intangible assets	123,730,000	127,403,000
Patent
Other Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	3,059,000	2,935,000
Accumulated Amortization, Definite-lived intangible assets	(1,399,000)	(1,263,000)
Net Carrying Amount, Definite-lived intangible assets	1,660,000	1,672,000
Trademarks and trade names
Other Intangible Assets [Line Items]
Gross Carrying Amount, Definite-lived intangible assets	10,171,000	10,112,000
Accumulated Amortization, Definite-lived intangible assets	(1,549,000)	(1,277,000)
Net Carrying Amount, Definite-lived intangible assets	8,622,000	8,835,000
Net Carrying Amount, Indefinite-lived intangible assets	$ 7,465,000	$ 7,244,000