Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Mar. 31, 2015
Current Assets
Cash	$ 58,074	$ 50,724
Trade receivables, less allowances for doubtful accounts of $29,700 and $27,016 at September 30, 2015 and March 31, 2015, respectively	720,210	708,227
Inventories, net	471,369	474,070
Deferred income tax asset, net	58,641	58,072
Prepaid expenses and other current assets	107,405	124,591
Total current assets	1,415,699	1,415,684
Plant and equipment at cost	5,553,277	5,305,059
Less accumulated depreciation	(2,479,026)	(2,353,293)
Plant and equipment, net	3,074,251	2,951,766
Goodwill	1,361,031	1,313,644
Other intangible assets, net	263,441	244,519
Other non-current assets	49,516	47,997
Total assets	6,163,938	5,973,610
Current Liabilities
Accounts payable, trade	198,667	206,187
Accrued expenses and other current liabilities	350,320	346,879
Short-term debt	557,105	325,871
Current portion of long-term debt	250,099	250,110
Total current liabilities	1,356,191	1,129,047
Long-term debt, excluding current portion	1,956,366	1,748,662
Deferred income tax liability, net	843,678	854,574
Other non-current liabilities	$ 90,582	$ 89,741
Commitments and contingencies
Stockholders’ Equity
Preferred stock, 20,030 shares authorized, no shares issued or outstanding at September 30, 2015 and March 31, 2015	$ 0	$ 0
Common stock, par value $0.01 per share, 200,000 shares authorized, 87,662 and 87,554 shares issued at September 30, 2015 and March 31, 2015, respectively	877	876
Capital in excess of par value	887,218	853,800
Retained earnings	2,320,036	2,231,026
Accumulated other comprehensive income (loss)	(17,926)	(14,853)
Treasury stock, 15,691 and 12,197 shares at cost at September 30, 2015 and March 31, 2015, respectively	(1,273,084)	(919,263)
Total stockholders’ equity	1,917,121	2,151,586
Total liabilities and stockholders’ equity	$ 6,163,938	$ 5,973,610