Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Mar. 31, 2013
Current Assets
Cash	$ 62,225	$ 86,386
Trade receivables, less allowances for doubtful accounts of $35,543 and $28,650 at December 31, 2013 and March 31, 2013, respectively	664,966	710,740
Inventories, net	489,379	474,821
Deferred income tax asset, net	58,242	53,562
Prepaid expenses and other current assets	127,561	138,321
Total current assets	1,402,373	1,463,830
Plant and equipment at cost	4,840,799	4,585,933
Less accumulated depreciation	(2,071,679)	(1,899,628)
Plant and equipment, net	2,769,120	2,686,305
Goodwill	1,277,266	1,195,613
Other intangible assets, net	262,486	226,824
Other non-current assets	44,014	45,653
Total assets	5,755,259	5,618,225
Current Liabilities
Accounts payable, trade	159,033	183,258
Accrued expenses and other current liabilities	350,475	374,883
Short-term debt	443,209	0
Current portion of long-term debt	400,376	303,573
Total current liabilities	1,353,093	861,714
Long-term debt, excluding current portion	1,704,744	2,304,245
Deferred income tax liability, net	839,367	825,612
Other non-current liabilities	89,469	89,671
Commitments and contingencies
Stockholders' Equity
Preferred stock, 20,030 shares authorized, no shares issued or outstanding at December 31, 2013 and March 31, 2013	0	0
Common stock, par value $0.01 per share, 200,000 shares authorized, 87,301 and 87,135 shares issued at December 31, 2013 and March 31, 2013, respectively	873	871
Capital in excess of par value	776,790	729,850
Retained earnings	2,002,146	1,861,395
Accumulated other comprehensive income	2,837	4,438
Treasury stock, 13,472 and 14,077 shares at cost at December 31, 2013 and March 31, 2013, respectively	(1,014,060)	(1,059,571)
Total stockholders' equity	1,768,586	1,536,983
Total liabilities and stockholders' equity	$ 5,755,259	$ 5,618,225