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FINANCIAL STATEMENTS FOR GUARANTORS OF THE 4.500% SENIOR UNSECURED NOTES (Tables) | 6 Months Ended
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Sep. 30, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Condensed Consolidating Statement of Earnings and Comprehensive Earnings |
Condensed Consolidating Statement of Earnings and Comprehensive Earnings For the Three Months Ended September 30, 2018 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
Revenue |  | $ | — |  |  | $ | 381,499 |  |  | $ | — |  |  | $ | 381,499 |
Cost of Goods Sold |  |  | — |  |  |  | 283,568 |  |  |  | — |  |  |  | 283,568 |
Gross Profit |  |  | — |  |  |  | 97,931 |  |  |  | — |  |  |  | 97,931 |
Equity in Earnings of Unconsolidated Joint Venture |  |  | 10,173 |  |  |  | 10,173 |  |  |  | (10,173 | ) |  |  | 10,173 |
Equity in Earnings of Subsidiaries |  |  | 75,030 |  |  |  | — |  |  |  | (75,030 | ) |  |  | — |
Corporate General and Administrative Expenses |  |  | (9,090 | ) |  |  | (832 | ) |  |  | — |  |  |  | (9,922 | )
Legal Settlements |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Other Non-Operating Income |  |  | (126 | ) |  |  | 554 |  |  |  | — |  |  |  | 428 |
Interest Expense, net |  |  | (6,806 | ) |  |  | (11 | ) |  |  | — |  |  |  | (6,817 | )
Earnings before Income Taxes |  |  | 69,181 |  |  |  | 107,815 |  |  |  | (85,203 | ) |  |  | 91,793 |
Income Taxes |  |  | 3,421 |  |  |  | (22,611 | ) |  |  | — |  |  |  | (19,190 | )
Net Earnings |  | $ | 72,602 |  |  | $ | 85,204 |  |  | $ | (85,203 | ) |  | $ | 72,603 |
Net Earnings |  | $ | 72,602 |  |  | $ | 85,204 |  |  | $ | (85,203 | ) |  | $ | 72,603 |
Net Actuarial Change in Benefit Plans, net of tax |  |  | 56 |  |  |  | 56 |  |  |  | (56 | ) |  |  | 56 |
Comprehensive Earnings |  | $ | 72,658 |  |  | $ | 85,260 |  |  | $ | (85,259 | ) |  | $ | 72,659 |
Condensed Consolidating Statement of Earnings and Comprehensive Earnings For the Three Months Ended September 30, 2017 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
Revenue |  | $ | — |  |  | $ | 376,315 |  |  | $ | — |  |  | $ | 376,315 |
Cost of Goods Sold |  |  | — |  |  |  | 279,561 |  |  |  | — |  |  |  | 279,561 |
Gross Profit |  |  | — |  |  |  | 96,754 |  |  |  | — |  |  |  | 96,754 |
Equity in Earnings of Unconsolidated Joint Venture |  |  | 11,955 |  |  |  | 11,955 |  |  |  | (11,955 | ) |  |  | 11,955 |
Equity in Earnings of Subsidiaries |  |  | 64,496 |  |  |  | — |  |  |  | (64,496 | ) |  |  | — |
Corporate General and Administrative Expenses |  |  | (9,178 | ) |  |  | (643 | ) |  |  | — |  |  |  | (9,821 | )
Other Non-Operating Income |  |  | (179 | ) |  |  | 1,066 |  |  |  | — |  |  |  | 887 |
Interest Expense, net |  |  | (13,833 | ) |  |  | 6,377 |  |  |  | — |  |  |  | (7,456 | )
Earnings before Income Taxes |  |  | 53,261 |  |  |  | 115,509 |  |  |  | (76,451 | ) |  |  | 92,319 |
Income Taxes |  |  | 10,101 |  |  |  | (39,058 | ) |  |  | — |  |  |  | (28,957 | )
Net Earnings |  | $ | 63,362 |  |  | $ | 76,451 |  |  | $ | (76,451 | ) |  | $ | 63,362 |
Net Earnings |  | $ | 63,362 |  |  | $ | 76,451 |  |  | $ | (76,451 | ) |  |  | 63,362 |
Net Actuarial Change in Benefit Plans, net of tax |  |  | 197 |  |  |  | 197 |  |  |  | (197 | ) |  |  | 197 |
Comprehensive Earnings |  | $ | 63,559 |  |  | $ | 76,648 |  |  | $ | (76,648 | ) |  | $ | 63,559 |
Condensed Consolidating Statement of Earnings and Comprehensive Earnings For the Six Months Ended September 30, 2018 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
Revenue |  | $ | — |  |  | $ | 775,255 |  |  | $ | — |  |  | $ | 775,255 |
Cost of Goods Sold |  |  | — |  |  |  | 585,690 |  |  |  | — |  |  |  | 585,690 |
Gross Profit |  |  | — |  |  |  | 189,565 |  |  |  | — |  |  |  | 189,565 |
Equity in Earnings of Unconsolidated Joint Venture |  |  | 19,424 |  |  |  | 19,424 |  |  |  | (19,424 | ) |  |  | 19,424 |
Equity in Earnings of Subsidiaries |  |  | 142,288 |  |  |  | — |  |  |  | (142,288 | ) |  |  | — |
Corporate General and Administrative Expenses |  |  | (15,819 | ) |  |  | (2,106 | ) |  |  | — |  |  |  | (17,925 | )
Legal Settlements |  |  | — |  |  |  | (1,800 | ) |  |  | — |  |  |  | (1,800 | )
Other Non-Operating Income |  |  | (219 | ) |  |  | 1,218 |  |  |  | — |  |  |  | 999 |
Interest Expense, net |  |  | (13,424 | ) |  |  | (25 | ) |  |  | — |  |  |  | (13,449 | )
Earnings before Income Taxes |  |  | 132,250 |  |  |  | 206,276 |  |  |  | (161,712 | ) |  |  | 176,814 |
Income Taxes |  |  | 6,692 |  |  |  | (44,564 | ) |  |  | — |  |  |  | (37,872 | )
Net Earnings |  | $ | 138,942 |  |  | $ | 161,712 |  |  | $ | (161,712 | ) |  | $ | 138,942 |
Net Earnings |  | $ | 138,942 |  |  | $ | 161,712 |  |  | $ | (161,712 | ) |  | $ | 138,942 |
Net Actuarial Change in Benefit Plans, net of tax |  |  | 112 |  |  |  | 112 |  |  |  | (112 | ) |  |  | 112 |
Comprehensive Earnings |  | $ | 139,054 |  |  | $ | 161,824 |  |  | $ | (161,824 | ) |  | $ | 139,054 |
Condensed Consolidating Statement of Earnings and Comprehensive Earnings For the Six Months Ended September 30, 2017 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
Revenue |  | $ | — |  |  | $ | 742,436 |  |  | $ | — |  |  | $ | 742,436 |
Cost of Goods Sold |  |  | — |  |  |  | 559,623 |  |  |  | — |  |  |  | 559,623 |
Gross Profit |  |  | — |  |  |  | 182,813 |  |  |  | — |  |  |  | 182,813 |
Equity in Earnings of Unconsolidated Joint Venture |  |  | 21,831 |  |  |  | 21,831 |  |  |  | (21,831 | ) |  |  | 21,831 |
Equity in Earnings of Subsidiaries |  |  | 122,792 |  |  |  | — |  |  |  | (122,792 | ) |  |  | — |
Corporate General and Administrative Expenses |  |  | (17,826 | ) |  |  | (1,674 | ) |  |  | — |  |  |  | (19,500 | )
Other Non-Operating Income |  |  | (346 | ) |  |  | 1,990 |  |  |  | — |  |  |  | 1,644 |
Interest Expense, net |  |  | (26,795 | ) |  |  | 11,856 |  |  |  | — |  |  |  | (14,939 | )
Earnings before Income Taxes |  |  | 99,656 |  |  |  | 216,816 |  |  |  | (144,623 | ) |  |  | 171,849 |
Income Taxes |  |  | 18,588 |  |  |  | (72,193 | ) |  |  | — |  |  |  | (53,605 | )
Net Earnings |  | $ | 118,244 |  |  | $ | 144,623 |  |  | $ | (144,623 | ) |  | $ | 118,244 |
Net Earnings |  | $ | 118,244 |  |  | $ | 144,623 |  |  | $ | (144,623 | ) |  |  | 118,244 |
Net Actuarial Change in Benefit Plans, net of tax |  |  | 394 |  |  |  | 394 |  |  |  | (394 | ) |  |  | 394 |
Comprehensive Earnings |  | $ | 118,638 |  |  | $ | 145,017 |  |  | $ | (145,017 | ) |  | $ | 118,638 |
Condensed Consolidating Balance Sheet |
Condensed Consolidating Balance Sheet At September 30, 2018 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
ASSETS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Assets - |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and Cash Equivalents |  | $ | 7,584 |  |  | $ | 2,418 |  |  | $ | — |  |  | $ | 10,002 |
Restricted Cash |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Accounts and Notes Receivable |  |  | 394 |  |  |  | 174,156 |  |  |  | — |  |  |  | 174,550 |
Inventories |  |  | — |  |  |  | 238,869 |  |  |  | — |  |  |  | 238,869 |
Income Tax Receivable |  |  | 5,924 |  |  |  | — |  |  |  | — |  |  |  | 5,924 |
Prepaid and Other Current Assets |  |  | 379 |  |  |  | 7,372 |  |  |  | — |  |  |  | 7,751 |
Total Current Assets |  |  | 14,281 |  |  |  | 422,815 |  |  |  | — |  |  |  | 437,096 |
Property, Plant, and Equipment - |  |  | 4,521 |  |  |  | 2,631,728 |  |  |  | — |  |  |  | 2,636,249 |
Less: Accumulated Depreciation |  |  | (1,167 | ) |  |  | (1,010,344 | ) |  |  | — |  |  |  | (1,011,511 | )
Property, Plant and Equipment, net |  |  | 3,354 |  |  |  | 1,621,384 |  |  |  | — |  |  |  | 1,624,738 |
Notes Receivable |  |  | — |  |  |  | 3,144 |  |  |  | — |  |  |  | 3,144 |
Investment in Joint Venture |  |  | 70 |  |  |  | 60,412 |  |  |  | — |  |  |  | 60,482 |
Investments in Subsidiaries and Receivables from Affiliates |  |  | 2,385,185 |  |  |  | 312,633 |  |  |  | (2,697,818 | ) |  |  | — |
Goodwill and Intangible Assets, net |  |  | — |  |  |  | 237,738 |  |  |  | — |  |  |  | 237,738 |
Other Assets |  |  | 5,319 |  |  |  | 10,995 |  |  |  | — |  |  |  | 16,314 |
|  | $ | 2,408,209 |  |  | $ | 2,669,121 |  |  | $ | (2,697,818 | ) |  | $ | 2,379,512 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Liabilities- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Payable |  | $ | 6,586 |  |  | $ | 85,893 |  |  | $ | — |  |  | $ | 92,479 |
Accrued Liabilities |  |  | 19,211 |  |  |  | 43,012 |  |  |  | — |  |  |  | 62,223 |
Total Current Liabilities |  |  | 25,797 |  |  |  | 128,905 |  |  |  | — |  |  |  | 154,702 |
Long-term Debt |  |  | 631,257 |  |  |  | — |  |  |  | — |  |  |  | 631,257 |
Other Long-term Liabilities |  |  | 47 |  |  |  | 31,052 |  |  |  | — |  |  |  | 31,099 |
Payables to Affiliates |  |  | 312,633 |  |  |  | 5,748,333 |  |  |  | (6,060,966 | ) |  |  | — |
Deferred Income Taxes |  |  | 5,872 |  |  |  | 123,979 |  |  |  | — |  |  |  | 129,851 |
Total Liabilities |  |  | 975,606 |  |  |  | 6,032,269 |  |  |  | (6,060,966 | ) |  |  | 946,909 |
Total Stockholders’ Equity |  |  | 1,432,603 |  |  |  | (3,363,148 | ) |  |  | 3,363,148 |  |  |  | 1,432,603 |
|  | $ | 2,408,209 |  |  | $ | 2,669,121 |  |  | $ | (2,697,818 | ) |  | $ | 2,379,512 |
Condensed Consolidating Balance Sheet At March 31, 2018 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
ASSETS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Assets - |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and Cash Equivalents |  | $ | 5,784 |  |  | $ | 3,531 |  |  | $ | — |  |  | $ | 9,315 |
Restricted Cash |  |  | 38,753 |  |  |  | — |  |  |  | — |  |  |  | 38,753 |
Accounts and Notes Receivable |  |  | 407 |  |  |  | 141,278 |  |  |  | — |  |  |  | 141,685 |
Inventories |  |  | — |  |  |  | 258,159 |  |  |  | — |  |  |  | 258,159 |
Income Tax Receivable |  |  | 109,510 |  |  |  | — |  |  |  | (103,760 | ) |  |  | 5,750 |
Prepaid and Other Current Assets |  |  | 665 |  |  |  | 4,408 |  |  |  | — |  |  |  | 5,073 |
Total Current Assets |  |  | 155,119 |  |  |  | 407,376 |  |  |  | (103,760 | ) |  |  | 458,735 |
Property, Plant, and Equipment - |  |  | 3,188 |  |  |  | 2,583,340 |  |  |  | — |  |  |  | 2,586,528 |
Less: Accumulated Depreciation |  |  | (1,089 | ) |  |  | (990,140 | ) |  |  | — |  |  |  | (991,229 | )
Property, Plant and Equipment, net |  |  | 2,099 |  |  |  | 1,593,200 |  |  |  | — |  |  |  | 1,595,299 |
Notes Receivable |  |  | — |  |  |  | 115 |  |  |  | — |  |  |  | 115 |
Investment in Joint Venture |  |  | 70 |  |  |  | 60,488 |  |  |  | — |  |  |  | 60,558 |
Investments in Subsidiaries and Receivables from Affiliates |  |  | 2,718,809 |  |  |  | 762,340 |  |  |  | (3,481,149 | ) |  |  | — |
Goodwill and Intangible Assets, net |  |  | — |  |  |  | 239,342 |  |  |  | — |  |  |  | 239,342 |
Other Assets |  |  | 5,417 |  |  |  | 8,537 |  |  |  | — |  |  |  | 13,954 |
|  | $ | 2,881,514 |  |  | $ | 3,071,398 |  |  | $ | (3,584,909 | ) |  | $ | 2,368,003 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Liabilities- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Payable |  | $ | 5,591 |  |  | $ | 67,868 |  |  | $ | — |  |  | $ | 73,459 |
Accrued Liabilities |  |  | 67,387 |  |  |  | 38,483 |  |  |  | — |  |  |  | 105,870 |
Income Tax Payable |  |  | — |  |  |  | 103,760 |  |  |  | (103,760 | ) |  |  | — |
Total Current Liabilities |  |  | 72,978 |  |  |  | 210,111 |  |  |  | (103,760 | ) |  |  | 179,329 |
Long-term Debt |  |  | 620,922 |  |  |  | — |  |  |  | — |  |  |  | 620,922 |
Other Long-term Liabilities |  |  | 124 |  |  |  | 30,972 |  |  |  | — |  |  |  | 31,096 |
Payables to Affiliates |  |  | 762,340 |  |  |  | 5,608,236 |  |  |  | (6,370,576 | ) |  |  | — |
Deferred Income Taxes |  |  | 7,460 |  |  |  | 111,506 |  |  |  | — |  |  |  | 118,966 |
Total Liabilities |  |  | 1,463,824 |  |  |  | 5,960,825 |  |  |  | (6,474,336 | ) |  |  | 950,313 |
Total Stockholders’ Equity |  |  | 1,417,690 |  |  |  | (2,889,427 | ) |  |  | 2,889,427 |  |  |  | 1,417,690 |
|  | $ | 2,881,514 |  |  | $ | 3,071,398 |  |  | $ | (3,584,909 | ) |  | $ | 2,368,003 |
Condensed Consolidating Statement of Cash Flows |
Condensed Consolidating Statement of Cash Flows For the Six Months Ended September 30, 2018 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Operating Activities |  | $ | (69,161 | ) |  | $ | 244,037 |  |  | $ | — |  |  | $ | 174,876 |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additions to Property, Plant, and Equipment |  |  | (1,133 | ) |  |  | (92,311 | ) |  |  | — |  |  |  | (93,444 | )
Proceeds from Sale of Property, Plant, and Equipment |  |  | — |  |  |  | 2,281 |  |  |  | — |  |  |  | 2,281 |
Net Cash Used in Investing Activities |  |  | (1,133 | ) |  |  | (90,030 | ) |  |  | — |  |  |  | (91,163 | )
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in Credit Facility |  |  | 10,000 |  |  |  | — |  |  |  | — |  |  |  | 10,000 |
Dividends Paid to Stockholders |  |  | (9,582 | ) |  |  | — |  |  |  | — |  |  |  | (9,582 | )
Purchase and Retirement of Common Stock |  |  | (122,404 | ) |  |  | — |  |  |  | — |  |  |  | (122,404 | )
Proceeds from Stock Option Exercises |  |  | 1,992 |  |  |  | — |  |  |  | — |  |  |  | 1,992 |
Shares Redeemed to Settle Employee Taxes on Stock Compensation |  |  | (1,785 | ) |  |  | — |  |  |  | — |  |  |  | (1,785 | )
Intra-entity Activity, net |  |  | 155,120 |  |  |  | (155,120 | ) |  |  | — |  |  |  | — |
Net Cash Provided by (Used in) Financing Activities |  |  | 33,341 |  |  |  | (155,120 | ) |  |  | — |  |  |  | (121,779 | )
NET INCREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH |  |  | (36,953 | ) |  |  | (1,113 | ) |  |  | — |  |  |  | (38,066 | )
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD |  |  | 44,537 |  |  |  | 3,531 |  |  |  | — |  |  |  | 48,068 |
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD |  | $ | 7,584 |  |  | $ | 2,418 |  |  | $ | — |  |  | $ | 10,002 |
Condensed Consolidating Statement of Cash Flows For the Six Months Ended September 30, 2017 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Operating Activities |  | $ | 21,447 |  |  | $ | 131,301 |  |  | $ | — |  |  | $ | 152,748 |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant, and Equipment Additions |  |  | — |  |  |  | (44,851 | ) |  |  | — |  |  |  | (44,851 | )
Acquisition Spending |  |  | — |  |  |  | (36,761 | ) |  |  | — |  |  |  | (36,761 | )
Net Cash Used in Investing Activities |  |  | — |  |  |  | (81,612 | ) |  |  | — |  |  |  | (81,612 | )
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of Credit Facility |  |  | (30,000 | ) |  |  | — |  |  |  | — |  |  |  | (30,000 | )
Dividends Paid to Stockholders |  |  | (9,709 | ) |  |  | — |  |  |  | — |  |  |  | (9,709 | )
Purchase and Retirement of Common Stock |  |  | (24,903 | ) |  |  | — |  |  |  | — |  |  |  | (24,903 | )
Proceeds from Stock Option Exercises |  |  | 20,426 |  |  |  | — |  |  |  | — |  |  |  | 20,426 |
Shares Redeemed to Settle Employee Taxes on Stock Compensation |  |  | (2,455 | ) |  |  | — |  |  |  | — |  |  |  | (2,455 | )
Intra-entity Activity, net |  |  | 49,072 |  |  |  | (49,072 | ) |  |  | — |  |  |  | — |
Net Cash Provided by (Used in) Financing Activities |  |  | 2,431 |  |  |  | (49,072 | ) |  |  | — |  |  |  | (46,641 | )
NET INCREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH |  |  | 23,878 |  |  |  | 617 |  |  |  | — |  |  |  | 24,495 |
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD |  |  | 5,184 |  |  |  | 1,377 |  |  |  | — |  |  |  | 6,561 |
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD |  | $ | 29,062 |  |  | $ | 1,994 |  |  | $ | — |  |  | $ | 31,056 |

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