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FINANCIAL STATEMENTS FOR GUARANTORS OF THE 4.500% SENIOR UNSECURED NOTES (Tables) | 9 Months Ended
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Dec. 31, 2016
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 December 31, 2016 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
Revenues |  | $ | — |  |  | $ | 302,395 |  |  | $ | — |  |  | $ | 302,395 |
Cost of Goods Sold |  |  | — |  |  |  | 215,015 |  |  |  | — |  |  |  | 215,015 |
Gross Profit |  |  | — |  |  |  | 87,380 |  |  |  | — |  |  |  | 87,380 |
Equity in Earnings of Unconsolidated Joint Venture |  |  | 11,244 |  |  |  | 11,244 |  |  |  | (11,244 | ) |  |  | 11,244 |
Equity in Earnings of Subsidiaries |  |  | 60,294 |  |  |  | — |  |  |  | (60,294 | ) |  |  | — |
Corporate General and Administrative Expenses |  |  | (7,942 | ) |  |  | (1,224 | ) |  |  | — |  |  |  | (9,166 | )
Other Income (Loss) |  |  | (264 | ) |  |  | 693 |  |  |  | — |  |  |  | 429 |
Interest Expense, net |  |  | (14,413 | ) |  |  | 8,215 |  |  |  | — |  |  |  | (6,198 | )
Earnings before Income Taxes |  |  | 48,919 |  |  |  | 106,308 |  |  |  | (71,538 | ) |  |  | 83,689 |
Income Taxes |  |  | 7,468 |  |  |  | (34,770 | ) |  |  | — |  |  |  | (27,302 | )
Net Earnings |  | $ | 56,387 |  |  | $ | 71,538 |  |  | $ | (71,538 | ) |  | $ | 56,387 |
Net Earnings |  | $ | 56,387 |  |  | $ | 71,538 |  |  | $ | (71,538 | ) |  | $ | 56,387 |
Net Actuarial Change in Benefit Plans, net of tax |  |  | 312 |  |  |  | 312 |  |  |  | (312 | ) |  |  | 312 |
Comprehensive Earnings |  | $ | 56,699 |  |  | $ | 71,850 |  |  | $ | (71,850 | ) |  | $ | 56,699 |
Condensed Consolidating Statement of Earnings and Comprehensive Earnings For the Three Months Ended December 31, 2015 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
Revenues |  | $ | — |  |  | $ | 277,409 |  |  | $ | — |  |  | $ | 277,409 |
Cost of Goods Sold |  |  | — |  |  |  | 208,544 |  |  |  | — |  |  |  | 208,544 |
Gross Profit |  |  | — |  |  |  | 68,865 |  |  |  | — |  |  |  | 68,865 |
Equity in Earnings of Unconsolidated Joint Venture |  |  | 10,483 |  |  |  | 10,483 |  |  |  | (10,483 | ) |  |  | 10,483 |
Equity in Earnings of Subsidiaries |  |  | 46,387 |  |  |  | — |  |  |  | (46,387 | ) |  |  | — |
Corporate General and Administrative Expenses |  |  | (7,063 | ) |  |  | (1,241 | ) |  |  | — |  |  |  | (8,304 | )
Other Income (Loss) |  |  | 258 |  |  |  | 905 |  |  |  | — |  |  |  | 1,163 |
Interest Expense, net |  |  | (9,791 | ) |  |  | 5,789 |  |  |  | — |  |  |  | (4,002 | )
Earnings before Income Taxes |  |  | 40,274 |  |  |  | 84,801 |  |  |  | (56,870 | ) |  |  | 68,205 |
Income Taxes |  |  | 5,574 |  |  |  | (27,931 | ) |  |  | — |  |  |  | (22,357 | )
Net Earnings |  | $ | 45,848 |  |  | $ | 56,870 |  |  | $ | (56,870 | ) |  |  | 45,848 |
Net Earnings |  | $ | 45,848 |  |  | $ | 56,870 |  |  | $ | (56,870 | ) |  |  | 45,848 |
Net Actuarial Change in Benefit Plans, net of tax |  |  | 318 |  |  |  | 318 |  |  |  | (318 | ) |  |  | 318 |
Comprehensive Earnings |  | $ | 46,166 |  |  | $ | 57,188 |  |  | $ | (57,188 | ) |  | $ | 46,166 |
Condensed Consolidating Statement of Earnings and Comprehensive Earnings For the Nine Months Ended December 31, 2016 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
Revenues |  | $ | — |  |  | $ | 932,557 |  |  | $ | — |  |  | $ | 932,557 |
Cost of Goods Sold |  |  | — |  |  |  | 682,012 |  |  |  | — |  |  |  | 682,012 |
Gross Profit |  |  | — |  |  |  | 250,545 |  |  |  | — |  |  |  | 250,545 |
Equity in Earnings of Unconsolidated Joint Venture |  |  | 31,371 |  |  |  | 31,371 |  |  |  | (31,371 | ) |  |  | 31,371 |
Equity in Earnings of Subsidiaries |  |  | 171,466 |  |  |  | — |  |  |  | (171,466 | ) |  |  | — |
Corporate General and Administrative Expenses |  |  | (23,670 | ) |  |  | (4,161 | ) |  |  | — |  |  |  | (27,831 | )
Other Income (Loss) |  |  | (478 | ) |  |  | 2,486 |  |  |  | — |  |  |  | 2,008 |
Interest Expense, net |  |  | (36,778 | ) |  |  | 21,023 |  |  |  | — |  |  |  | (15,755 | )
Earnings before Income Taxes |  |  | 141,911 |  |  |  | 301,264 |  |  |  | (202,837 | ) |  |  | 240,338 |
Income Taxes |  |  | 20,057 |  |  |  | (98,427 | ) |  |  | — |  |  |  | (78,370 | )
Net Earnings |  | $ | 161,968 |  |  | $ | 202,837 |  |  | $ | (202,837 | ) |  | $ | 161,968 |
Net Earnings |  | $ | 161,968 |  |  | $ | 202,837 |  |  | $ | (202,837 | ) |  | $ | 161,968 |
Net Actuarial Change in Benefit Plans, net of tax |  |  | 936 |  |  |  | 936 |  |  |  | (936 | ) |  |  | 936 |
Comprehensive Earnings |  | $ | 162,904 |  |  | $ | 203,773 |  |  | $ | (203,773 | ) |  | $ | 162,904 |
Condensed Consolidating Statement of Earnings and Comprehensive Earnings For the Nine Months Ended December 31, 2015 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
Revenues |  | $ | — |  |  | $ | 891,360 |  |  | $ | — |  |  | $ | 891,360 |
Cost of Goods Sold |  |  | — |  |  |  | 717,104 |  |  |  | — |  |  |  | 717,104 |
Gross Profit |  |  | — |  |  |  | 174,256 |  |  |  | — |  |  |  | 174,256 |
Equity in Earnings of Unconsolidated Joint Venture |  |  | 29,993 |  |  |  | 29,993 |  |  |  | (29,993 | ) |  |  | 29,993 |
Equity in Earnings of Subsidiaries |  |  | 118,088 |  |  |  | — |  |  |  | (118,088 | ) |  |  | — |
Corporate General and Administrative Expenses |  |  | (22,794 | ) |  |  | (3,865 | ) |  |  | — |  |  |  | (26,659 | )
Other Income (Loss) |  |  | (48 | ) |  |  | 2,218 |  |  |  | — |  |  |  | 2,170 |
Interest Expense, net |  |  | (28,275 | ) |  |  | 15,445 |  |  |  | — |  |  |  | (12,830 | )
Earnings before Income Taxes |  |  | 96,964 |  |  |  | 218,047 |  |  |  | (148,081 | ) |  |  | 166,930 |
Income Taxes |  |  | 16,465 |  |  |  | (69,966 | ) |  |  | — |  |  |  | (53,501 | )
Net Earnings |  | $ | 113,429 |  |  | $ | 148,081 |  |  | $ | (148,081 | ) |  |  | 113,429 |
Net Earnings |  | $ | 113,429 |  |  | $ | 148,081 |  |  | $ | (148,081 | ) |  |  | 113,429 |
Net Actuarial Change in Benefit Plans, net of tax |  |  | 958 |  |  |  | 958 |  |  |  | (958 | ) |  |  | 958 |
Comprehensive Earnings |  | $ | 114,387 |  |  | $ | 149,039 |  |  | $ | (149,039 | ) |  | $ | 114,387 |
Condensed Consolidating Balance Sheet |
Condensed Consolidating Balance Sheet At December 31, 2016 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
ASSETS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Assets - |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and Cash Equivalents |  | $ | 162,792 |  |  | $ | 1,873 |  |  | $ | — |  |  | $ | 164,665 |
Accounts and Notes Receivable |  |  | 581 |  |  |  | 114,697 |  |  |  | — |  |  |  | 115,278 |
Inventories |  |  | — |  |  |  | 222,783 |  |  |  | — |  |  |  | 222,783 |
Income Tax Receivable |  |  | 21,354 |  |  |  | — |  |  |  | (21,354 | ) |  |  | — |
Prepaid and Other Current Assets |  |  | 5,167 |  |  |  | 792 |  |  |  | — |  |  |  | 5,959 |
Total Current Assets |  |  | 189,894 |  |  |  | 340,145 |  |  |  | (21,354 | ) |  |  | 508,685 |
Property, Plant and Equipment - |  |  | 3,196 |  |  |  | 2,095,499 |  |  |  | — |  |  |  | 2,098,695 |
Less: Accumulated Depreciation |  |  | (897 | ) |  |  | (869,962 | ) |  |  | — |  |  |  | (870,859 | )
Property, Plant and Equipment, net |  |  | 2,299 |  |  |  | 1,225,537 |  |  |  | — |  |  |  | 1,227,836 |
Notes Receivable |  |  | — |  |  |  | 1,002 |  |  |  | — |  |  |  | 1,002 |
Deferred Income Taxes |  |  | 3,478 |  |  |  | — |  |  |  | (3,478 | ) |  |  | — |
Investment in Joint Venture |  |  | 47 |  |  |  | 47,553 |  |  |  | — |  |  |  | 47,600 |
Investments in Subsidiaries and Receivables from Affiliates |  |  | 4,431,726 |  |  |  | 2,980,527 |  |  |  | (7,412,253 | ) |  |  | — |
Goodwill and Intangible Assets, net |  |  | — |  |  |  | 161,765 |  |  |  | — |  |  |  | 161,765 |
Other Assets |  |  | 5,888 |  |  |  | 21,213 |  |  |  | — |  |  |  | 27,101 |
|  | $ | 4,633,332 |  |  | $ | 4,777,742 |  |  | $ | (7,437,085 | ) |  | $ | 1,973,989 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Liabilities- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Payable |  | $ | 6,684 |  |  | $ | 57,163 |  |  | $ | — |  |  | $ | 63,847 |
Accrued Liabilities |  |  | 20,992 |  |  |  | 36,657 |  |  |  | — |  |  |  | 57,649 |
Income Tax Payable |  |  | — |  |  |  | 26,569 |  |  |  | (21,354 | ) |  |  | 5,215 |
Current Portion of Long-term Debt |  |  | 81,214 |  |  |  | — |  |  |  | — |  |  |  | 81,214 |
Total Current Liabilities |  |  | 108,890 |  |  |  | 120,389 |  |  |  | (21,354 | ) |  |  | 207,925 |
Long-term Debt |  |  | 380,134 |  |  |  | — |  |  |  | — |  |  |  | 380,134 |
Other Long-term Liabilities |  |  | 206 |  |  |  | 57,308 |  |  |  | — |  |  |  | 57,514 |
Payables to Affiliates |  |  | 2,980,527 |  |  |  | 2,184,696 |  |  |  | (5,165,223 | ) |  |  | — |
Deferred Income Taxes |  |  | — |  |  |  | 168,319 |  |  |  | (3,478 | ) |  |  | 164,841 |
Total Liabilities |  |  | 3,469,757 |  |  |  | 2,530,712 |  |  |  | (5,190,055 | ) |  |  | 810,414 |
Total Stockholders’ Equity |  |  | 1,163,575 |  |  |  | 2,247,030 |  |  |  | (2,247,030 | ) |  |  | 1,163,575 |
|  | $ | 4,633,332 |  |  | $ | 4,777,742 |  |  | $ | (7,437,085 | ) |  | $ | 1,973,989 |
Condensed Consolidating Balance Sheet At March 31, 2016 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
ASSETS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Assets - |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and Cash Equivalents |  | $ | 3,507 |  |  | $ | 1,884 |  |  | $ | — |  |  | $ | 5,391 |
Accounts and Notes Receivable |  |  | 324 |  |  |  | 119,897 |  |  |  | — |  |  |  | 120,221 |
Inventories |  |  | — |  |  |  | 243,595 |  |  |  | — |  |  |  | 243,595 |
Income Tax Receivable |  |  | — |  |  |  | 6,731 |  |  |  | (1,108 | ) |  |  | 5,623 |
Prepaid and Other Current Assets |  |  | 1,365 |  |  |  | 3,808 |  |  |  | — |  |  |  | 5,173 |
Total Current Assets |  |  | 5,196 |  |  |  | 375,915 |  |  |  | (1,108 | ) |  |  | 380,003 |
Property, Plant and Equipment - |  |  | 2,612 |  |  |  | 2,070,164 |  |  |  | — |  |  |  | 2,072,776 |
Less: Accumulated Depreciation |  |  | (814 | ) |  |  | (816,651 | ) |  |  | — |  |  |  | (817,465 | )
Property, Plant and Equipment, net |  |  | 1,798 |  |  |  | 1,253,513 |  |  |  | — |  |  |  | 1,255,311 |
Notes Receivable |  |  | — |  |  |  | 2,672 |  |  |  | — |  |  |  | 2,672 |
Deferred Income Taxes |  |  | 3,375 |  |  |  | — |  |  |  | (3,375 | ) |  |  | — |
Investment in Joint Venture |  |  | 33 |  |  |  | 49,432 |  |  |  | — |  |  |  | 49,465 |
Investments in Subsidiaries and Receivables from Affiliates |  |  | 4,085,806 |  |  |  | 2,529,480 |  |  |  | (6,615,286 | ) |  |  | — |
Goodwill and Intangible Assets, net |  |  | — |  |  |  | 165,827 |  |  |  | — |  |  |  | 165,827 |
Other Assets |  |  | 5,557 |  |  |  | 24,800 |  |  |  | — |  |  |  | 30,357 |
|  | $ | 4,101,765 |  |  | $ | 4,401,639 |  |  | $ | (6,619,769 | ) |  | $ | 1,883,635 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Liabilities- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Payable |  | $ | 6,968 |  |  | $ | 59,646 |  |  | $ | — |  |  | $ | 66,614 |
Accrued Liabilities |  |  | 15,708 |  |  |  | 30,267 |  |  |  | — |  |  |  | 45,975 |
Income Tax Payable |  |  | 1,108 |  |  |  | — |  |  |  | (1,108 | ) |  |  | — |
Current Portion of Long-term Debt |  |  | 8,000 |  |  |  | — |  |  |  | — |  |  |  | 8,000 |
Total Current Liabilities |  |  | 31,784 |  |  |  | 89,913 |  |  |  | (1,108 | ) |  |  | 120,589 |
Long-term Debt |  |  | 499,714 |  |  |  | — |  |  |  | — |  |  |  | 499,714 |
Other Long-term Liabilities |  |  | 256 |  |  |  | 60,866 |  |  |  | — |  |  |  | 61,122 |
Payables to Affiliates |  |  | 2,529,480 |  |  |  | 2,042,633 |  |  |  | (4,572,113 | ) |  |  | — |
Deferred Income Taxes |  |  | — |  |  |  | 165,054 |  |  |  | (3,375 | ) |  |  | 161,679 |
Total Liabilities |  |  | 3,061,234 |  |  |  | 2,358,466 |  |  |  | (4,576,596 | ) |  |  | 843,104 |
Total Stockholders’ Equity |  |  | 1,040,531 |  |  |  | 2,043,173 |  |  |  | (2,043,173 | ) |  |  | 1,040,531 |
|  | $ | 4,101,765 |  |  | $ | 4,401,639 |  |  | $ | (6,619,769 | ) |  | $ | 1,883,635 |
Condensed Consolidating Statement of Cash Flows |
Condensed Consolidating Statement of Cash Flows Nine Months ended December 31, 2016 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Operating Activities |  | $ | (53,877 | ) |  | $ | 342,745 |  |  | $ | — |  |  | $ | 288,868 |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additions to Property, Plant and Equipment |  |  | (271 | ) |  |  | (33,772 | ) |  |  | — |  |  |  | (34,043 | )
Net Cash Used in Investing Activities |  |  | (271 | ) |  |  | (33,772 | ) |  |  | — |  |  |  | (34,043 | )
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Decrease in Long-term Debt |  |  | (40,000 | ) |  |  | — |  |  |  | — |  |  |  | (40,000 | )
Payment of Debt Issuance Costs |  |  | (6,637 | ) |  |  |  |  |  |  |  |  |  |  | (6,637 | )
Dividends Paid to Stockholders |  |  | (14,500 | ) |  |  | — |  |  |  | — |  |  |  | (14,500 | )
Purchase and Retirement of Common Stock |  |  | (60,013 | ) |  |  | — |  |  |  | — |  |  |  | (60,013 | )
Proceeds from Stock Option Exercises |  |  | 20,137 |  |  |  | — |  |  |  | — |  |  |  | 20,137 |
Shares Redeemed to Settle Employee Taxes on Stock Compensation |  |  | (3,084 | ) |  |  | — |  |  |  | — |  |  |  | (3,084 | )
Excess Tax Benefits from Share Based Payment Arrangements |  |  | 8,546 |  |  |  | — |  |  |  | — |  |  |  | 8,546 |
Intra-entity Activity, net |  |  | 308,984 |  |  |  | (308,984 | ) |  |  | — |  |  |  | — |
Net Cash Provided by (Used in) Financing Activities |  |  | 213,433 |  |  |  | (308,984 | ) |  |  | — |  |  |  | (95,551 | )
NET INCREASE IN CASH AND CASH EQUIVALENTS |  |  | 159,285 |  |  |  | (11 | ) |  |  | — |  |  |  | 159,274 |
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD |  |  | 3,507 |  |  |  | 1,884 |  |  |  | — |  |  |  | 5,391 |
CASH AND CASH EQUIVALENTS AT END OF PERIOD |  | $ | 162,792 |  |  | $ | 1,873 |  |  | $ | — |  |  | $ | 164,665 |
Condensed Consolidating Statement of Cash Flows Nine Months ended December 31, 2015 |  | Parent |  |  | Guarantor Subsidiaries |  |  | Eliminations |  |  | Consolidated |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Cash Provided by (Used in) Operating Activities |  | $ | (51,482 | ) |  | $ | 267,772 |  |  | $ | — |  |  | $ | 216,290 |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additions to Property, Plant and Equipment |  |  | — |  |  |  | (75,536 | ) |  |  | — |  |  |  | (75,536 | )
Acquisition Spending |  |  | — |  |  |  | (32,427 | ) |  |  | — |  |  |  | (32,427 | )
Net Cash Used in Investing Activities |  |  | — |  |  |  | (107,963 | ) |  |  | — |  |  |  | (107,963 | )
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of Credit Facility |  |  | (12,045 | ) |  |  | — |  |  |  | — |  |  |  | (12,045 | )
Dividends Paid to Stockholders |  |  | (15,078 | ) |  |  | — |  |  |  | — |  |  |  | (15,078 | )
Shares Redeemed to Settle Employee Taxes on Stock Compensation |  |  | (1,815 | ) |  |  | — |  |  |  | — |  |  |  | (1,815 | )
Purchase and Retirement of Common Stock |  |  | (76,231 | ) |  |  | — |  |  |  | — |  |  |  | (76,231 | )
Proceed from Stock Option Exercises |  |  | 2,580 |  |  |  | — |  |  |  | — |  |  |  | 2,580 |
Excess Tax Benefits from Share Based Payment Arrangements |  |  | 2,504 |  |  |  | — |  |  |  | — |  |  |  | 2,504 |
Intra-entity Activity, net |  |  | 160,107 |  |  |  | (160,107 | ) |  |  | — |  |  |  | — |
Net Cash Provided by (Used in) Financing Activities |  |  | 60,022 |  |  |  | (160,107 | ) |  |  | — |  |  |  | (100,085 | )
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS |  |  | 8,540 |  |  |  | (298 | ) |  |  | — |  |  |  | 8,242 |
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD |  |  | 3,644 |  |  |  | 3,870 |  |  |  | — |  |  |  | 7,514 |
CASH AND CASH EQUIVALENTS AT END OF PERIOD |  | $ | 12,184 |  |  | $ | 3,572 |  |  | $ | — |  |  | $ | 15,756 |

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- Definition Tabular disclosure of condensed cash flow statement, including, but not limited to, cash flow statements of consolidated entities and consolidation eliminations. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration