Condensed Consolidated Statement of Cash Flows (Detail) - USD ($)
$ in Thousands |
3 Months Ended |
6 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| CASH FLOWS FROM OPERATING ACTIVITIES |
|
|
|
|
| Net Cash Provided by (Used in) Operating Activities |
|
|
$ 160,152
|
$ 107,589
|
| CASH FLOWS FROM INVESTING ACTIVITIES |
|
|
|
|
| Additions to Property, Plant and Equipment |
$ (9,253)
|
$ (28,747)
|
(18,231)
|
(55,869)
|
| Acquisition Spending |
|
|
|
(32,427)
|
| Net Cash Used in Investing Activities |
|
|
(18,231)
|
(88,296)
|
| CASH FLOWS FROM FINANCING ACTIVITIES |
|
|
|
|
| Net Decrease in Long-term Debt |
|
|
(32,000)
|
|
| Payment of Debt Issuance Costs |
|
|
(6,637)
|
|
| Repayment of Credit Facility |
|
|
(382,000)
|
(3,000)
|
| Dividends Paid to Stockholders |
|
|
(9,677)
|
(10,061)
|
| Purchase and Retirement of Common Stock |
|
|
(60,013)
|
(10,744)
|
| Proceeds from Stock Option Exercises |
|
|
12,992
|
2,580
|
| Shares Redeemed to Settle Employee Taxes on Stock Compensation |
|
|
(2,965)
|
(1,728)
|
| Excess Tax Benefits from Share Based Payment Arrangements |
|
|
5,494
|
2,494
|
| Net Cash Used in Financing Activities |
|
|
(92,806)
|
(20,459)
|
| NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS |
|
|
49,115
|
(1,166)
|
| CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD |
|
|
5,391
|
7,514
|
| CASH AND CASH EQUIVALENTS AT END OF PERIOD |
54,506
|
6,348
|
54,506
|
6,348
|
| Parent [Member] |
|
|
|
|
| CASH FLOWS FROM OPERATING ACTIVITIES |
|
|
|
|
| Net Cash Provided by (Used in) Operating Activities |
|
|
(78,298)
|
(73,242)
|
| CASH FLOWS FROM INVESTING ACTIVITIES |
|
|
|
|
| Additions to Property, Plant and Equipment |
|
|
(233)
|
|
| Net Cash Used in Investing Activities |
|
|
(233)
|
|
| CASH FLOWS FROM FINANCING ACTIVITIES |
|
|
|
|
| Net Decrease in Long-term Debt |
|
|
(32,000)
|
|
| Payment of Debt Issuance Costs |
|
|
(6,637)
|
|
| Repayment of Credit Facility |
|
|
|
(3,000)
|
| Dividends Paid to Stockholders |
|
|
(9,677)
|
(10,061)
|
| Purchase and Retirement of Common Stock |
|
|
(60,013)
|
(10,744)
|
| Proceeds from Stock Option Exercises |
|
|
12,992
|
2,580
|
| Shares Redeemed to Settle Employee Taxes on Stock Compensation |
|
|
(2,965)
|
(1,728)
|
| Excess Tax Benefits from Share Based Payment Arrangements |
|
|
5,494
|
2,494
|
| Intra-entity Activity, net |
|
|
220,354
|
93,382
|
| Net Cash Used in Financing Activities |
|
|
127,548
|
72,923
|
| NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS |
|
|
49,017
|
(319)
|
| CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD |
|
|
3,507
|
3,644
|
| CASH AND CASH EQUIVALENTS AT END OF PERIOD |
52,524
|
3,325
|
52,524
|
3,325
|
| Guarantor Subsidiaries [Member] |
|
|
|
|
| CASH FLOWS FROM OPERATING ACTIVITIES |
|
|
|
|
| Net Cash Provided by (Used in) Operating Activities |
|
|
238,450
|
180,831
|
| CASH FLOWS FROM INVESTING ACTIVITIES |
|
|
|
|
| Additions to Property, Plant and Equipment |
|
|
(17,998)
|
(55,869)
|
| Acquisition Spending |
|
|
|
(32,427)
|
| Net Cash Used in Investing Activities |
|
|
(17,998)
|
(88,296)
|
| CASH FLOWS FROM FINANCING ACTIVITIES |
|
|
|
|
| Intra-entity Activity, net |
|
|
(220,354)
|
(93,382)
|
| Net Cash Used in Financing Activities |
|
|
(220,354)
|
(93,382)
|
| NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS |
|
|
98
|
(847)
|
| CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD |
|
|
1,884
|
3,870
|
| CASH AND CASH EQUIVALENTS AT END OF PERIOD |
$ 1,982
|
$ 3,023
|
$ 1,982
|
$ 3,023
|