CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net Income	$ 319,564	$ 444,081	$ 600,801
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other impairment charges	609,660	515,367	540,490
Provision (reversal) for doubtful accounts (Note 2)	(184)	72,295	650
Non-cash other loss (income)	6,858	24,521	(21,278)
Stock-based compensation	77,330	77,580	50,270
Income taxes	(20,041)	(64,346)	(59,261)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(164,239)	317,946	316,773
Inventories	85,047	84,790	72,660
Other current and noncurrent assets	84,949	(2,704)	125,218
Accounts payable	268,686	(365,051)	(176,941)
Other current and noncurrent liabilities	(117,721)	31,966	(655,348)
Net cash provided by operating activities	1,149,909	1,136,445	794,034
Cash flows from investing activities:
Purchases of property and equipment	(525,111)	(510,634)	(347,413)
Proceeds from the disposition of property and equipment	35,606	13,676	107,689
Acquisition of businesses, net of cash acquired	(189,084)	(916,527)	(66,854)
Proceeds from divestitures of business, net of cash held in divested business	36,731	5,740	0
Other investing activities, net	(60,329)	11,369	64,362
Net cash used in investing activities	(702,187)	(1,396,376)	(242,216)
Cash flows from financing activities:
Proceeds from bank borrowings and long-term debt	312,741	884,702	319,542
Repayments of bank borrowings and long-term debt	(141,730)	(190,221)	(344,156)
Payments for repurchases of ordinary shares	(349,532)	(420,317)	(415,945)
Proceeds from exercise of stock options	12,438	61,278	23,508
Other financing activities, net	(76,024)	(85,800)	(98,966)
Net cash provided by (used in) financing activities	(242,107)	249,642	(516,017)
Effect of exchange rates on cash	17,490	(10,549)	(1,121)
Net change in cash and cash equivalents	223,105	(20,838)	34,680
Cash and cash equivalents, beginning of year	1,607,570	1,628,408	1,593,728
Cash and cash equivalents, end of year	$ 1,830,675	$ 1,607,570	$ 1,628,408