Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2013		Dec. 31, 2013		Dec. 31, 2012
Goodwill [Line Items]
Beginning balance			$ 3,826,749		$ 3,900,752
Acquisitions			937,623		5,616
Goodwill impairment charge	(63,555)		(63,555)
Korea goodwill write-off					(85,642)
Foreign currency translation adjustments			(21,169)		6,023
Ending balance	4,679,648		4,679,648		3,826,749
Americas
Goodwill [Line Items]
Beginning balance			2,870,031	[1]	2,866,365	[1]
Acquisitions			934,135	[1]	5,616	[1]
Foreign currency translation adjustments			(1,832)	[1]	(1,950)	[1]
Ending balance	3,802,334	[1]	3,802,334	[1]	2,870,031	[1]
EMEA
Goodwill [Line Items]
Beginning balance			593,613	[2]	581,523	[2]
Acquisitions			1,567	[2]
Goodwill impairment charge			(63,555)	[2]
Foreign currency translation adjustments			15,231	[2]	12,090	[2]
Ending balance	546,856	[2]	546,856	[2]	593,613	[2]
Asia Pacific
Goodwill [Line Items]
Beginning balance			363,105	[3]	452,864	[3]
Acquisitions			1,921	[3]
Korea goodwill write-off					(85,642)	[3]
Foreign currency translation adjustments			(34,568)	[3]	(4,117)	[3]
Ending balance	$ 330,458	[3]	$ 330,458	[3]	$ 363,105	[3]

[1] Gross goodwill balances for the Americas segment were $2.9 billion as of January 1, 2012 and $3.8 billion as of December 31, 2013.

[2] Gross goodwill balances for the EMEA segment were $1.1 billion as of both January 1, 2012 and December 31, 2013. The EMEA segment includes accumulated impairment losses of $488 million as of January 1, 2012, and $551 million as of December 31, 2013.

[3] Gross goodwill balances for the Asia Pacific ("APAC") segment were $517 million as of January 1, 2012 and $480 million as of December 31, 2013. The APAC segment includes accumulated impairment losses of $64 million as of January 1, 2012 and $150 million as of December 31, 2013.