Segment Information - Segment Disclosures (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Total revenues	$ 900,510	$ 665,582	$ 1,744,666	$ 1,308,756
Total depreciation and amortization	212,051	127,376	412,585	249,012
Capital expenditures	249,867	221,342	447,567	371,462
Americas
Segment Reporting Information [Line Items]
Total revenues	413,471	371,447	817,865	735,416
Total depreciation and amortization	78,402	69,226	154,661	135,953
Capital expenditures	115,989	104,400	199,489	187,126
EMEA
Segment Reporting Information [Line Items]
Total revenues	300,609	173,967	568,465	338,590
Total depreciation and amortization	82,504	27,633	158,554	54,140
Capital expenditures	86,582	56,927	143,855	84,483
Asia-Pacific
Segment Reporting Information [Line Items]
Total revenues	186,430	120,168	358,336	234,750
Total depreciation and amortization	51,145	30,517	99,370	58,919
Capital expenditures	$ 47,296	$ 60,015	$ 104,223	$ 99,853