Condensed Consolidating Financial Statements of Guarantors (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 282,908			$ 139,488	$ 94,417		$ 198,561
Accounts receivable, net	192,315			175,701
Inventories	809,050			856,934
Deferred income taxes	25,651			26,242
Other current assets	50,401			64,761
Total current assets	1,360,325			1,263,126
Property, plant and equipment, net	608,027			597,202
Goodwill	1,132,507			1,163,282
Other intangible assets, net	1,743,090			1,791,592
Other assets	9,512			8,207
Total assets	4,853,461			4,823,409
Current liabilities:
Current portion long-term debt				261
Accounts payable	293,935			227,877
Accrued expenses and other current liabilities	241,523			221,056
Total current liabilities	535,458			449,194
Long-term debt, net of current portion	2,111,807			2,099,487
Deferred income taxes	691,809			707,962
Other liabilities	44,269			53,386
Total liabilities	$ 3,383,343			$ 3,310,029
Commitments and contingencies
Stockholder's equity:
Common stock
Capital in excess of par	$ 1,563,073			$ 1,561,014
(Accumulated deficit) retained earnings	(16,436)			(18,431)
Accumulated other comprehensive income (loss)	(76,519)	$ (111,243)		(29,203)	11,502	$ (324)	(13,582)
Total stockholder's equity	1,470,118			1,513,380
Total liabilities and stockholder's equity	4,853,461			4,823,409
Noncontrolling Interest, Ownership Percentage by Parent			100.00%
Reportable Legal Entities | Parent Company
Current assets:
Cash and cash equivalents	142,540			77,550	23,735		81,356
Intercompany	14,635			30,425
Other current assets	876			2,618
Total current assets	158,051			110,593
Property, plant and equipment, net	118,197			95,022
Other assets	1,094
Intercompany loan receivable	2,468,492			2,438,743
Investments in subsidiaries	2,146,166			2,100,050
Total assets	4,892,000			4,744,408
Current liabilities:
Accrued expenses and other current liabilities	17,934			34,282
Total current liabilities	17,934			34,282
Intercompany loan payable	1,277,112			1,060,793
Long-term debt, net of current portion	2,111,807			2,098,900
Deferred income taxes	10,289			22,280
Other liabilities	4,740			14,773
Total liabilities	3,421,882			3,231,028
Stockholder's equity:
Capital in excess of par	1,563,073			1,561,014
(Accumulated deficit) retained earnings	(16,436)			(18,431)
Accumulated other comprehensive income (loss)	(76,519)			(29,203)
Total stockholder's equity	1,470,118			1,513,380
Total liabilities and stockholder's equity	4,892,000			4,744,408
Reportable Legal Entities | Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	1,439			751			35,357
Accounts receivable, net	139,592			130,749
Inventories	603,215			654,192
Deferred income taxes	24,957			24,329
Other current assets	17,025			21,300
Total current assets	786,228			831,321
Property, plant and equipment, net	276,617			304,274
Goodwill	720,813			726,354
Other intangible assets, net	1,407,432			1,439,374
Other assets	8,342			8,116
Intercompany loan receivable	1,292,113			1,060,793
Investments in subsidiaries	152,944			148,921
Total assets	4,644,489			4,519,153
Current liabilities:
Accounts payable	198,255			140,761
Intercompany	32,495			62,527
Accrued expenses and other current liabilities	176,928			112,136
Total current liabilities	407,678			315,424
Intercompany loan payable	2,111,807			2,098,900
Deferred income taxes	582,356			586,116
Other liabilities	14,789			13,732
Total liabilities	3,116,630			3,014,172
Stockholder's equity:
Capital in excess of par	1,404,555			1,417,462
(Accumulated deficit) retained earnings	135,409			93,552
Accumulated other comprehensive income (loss)	(12,105)			(6,033)
Total stockholder's equity	1,527,859			1,504,981
Total liabilities and stockholder's equity	4,644,489			4,519,153
Reportable Legal Entities | Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	138,929			61,187	75,338		$ 81,848
Accounts receivable, net	52,723			44,952
Intercompany	17,860			32,102
Inventories	205,835			202,742
Deferred income taxes	694			1,913
Other current assets	32,500			40,843
Total current assets	448,541			383,739
Property, plant and equipment, net	213,213			197,906
Goodwill	411,694			436,928
Other intangible assets, net	335,658			352,218
Other assets	76			91
Total assets	1,409,182			1,370,882
Current liabilities:
Current portion long-term debt				261
Accounts payable	95,680			87,116
Accrued expenses and other current liabilities	46,661			74,638
Total current liabilities	142,341			162,015
Intercompany loan payable	371,686			339,843
Long-term debt, net of current portion				587
Deferred income taxes	99,164			99,566
Other liabilities	24,740			24,881
Total liabilities	637,931			626,892
Stockholder's equity:
Capital in excess of par	746,911			739,911
(Accumulated deficit) retained earnings	92,293			24,570
Accumulated other comprehensive income (loss)	(67,953)			(20,491)
Total stockholder's equity	771,251			743,990
Total liabilities and stockholder's equity	1,409,182			1,370,882
Eliminations
Current assets:
Cash and cash equivalents					$ (4,656)
Intercompany	(32,495)			(62,527)
Total current assets	(32,495)			(62,527)
Intercompany loan receivable	(3,760,605)			(3,499,536)
Investments in subsidiaries	(2,299,110)			(2,248,971)
Total assets	(6,092,210)			(5,811,034)
Current liabilities:
Intercompany	(32,495)			(62,527)
Total current liabilities	(32,495)			(62,527)
Intercompany loan payable	(3,760,605)			(3,499,536)
Total liabilities	(3,793,100)			(3,562,063)
Stockholder's equity:
Capital in excess of par	(2,151,466)			(2,157,373)
(Accumulated deficit) retained earnings	(227,702)			(118,122)
Accumulated other comprehensive income (loss)	80,058			26,524
Total stockholder's equity	(2,299,110)			(2,248,971)
Total liabilities and stockholder's equity	$ (6,092,210)			$ (5,811,034)