Condensed Consolidating Financial Statements of Guarantors (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2012
Current assets:
Cash and cash equivalents	$ 94,417		$ 198,561	$ 127,384		$ 315,136
Accounts receivable, net	184,532		171,670
Inventories	872,766		739,952
Deferred income taxes	24,373		23,637
Other current assets	78,846		78,579
Total current assets	1,254,934		1,212,399
Property, plant and equipment, net	590,365		571,529
Goodwill	1,274,447		1,260,802
Other intangible assets, net	1,941,512		1,960,351
Other assets	64,521		68,235
Total assets	5,125,779		5,073,316
Current liabilities:
Current portion long-term debt	295		376
Accounts payable	256,615		259,060
Accrued expenses and other current liabilities	198,897		219,766
Total current liabilities	455,807		479,202
Long-term debt, net of current portion	2,158,203		2,158,405
Deferred income taxes	747,900		751,419
Other liabilities	73,647		59,451
Total liabilities	3,435,557		3,448,477
Commitments and contingencies
Stockholder's equity:
Common stock
Capital in excess of par	1,560,298		1,556,926
Retained earnings	118,422		81,497
Accumulated other comprehensive income (loss)	11,502	(324)	(13,584)	(60,393)	(58,697)	(18,594)
Total stockholder's equity	1,690,222		1,624,839
Total liabilities and stockholder's equity	5,125,779		5,073,316
Reportable Legal Entities | Parent Company
Current assets:
Cash and cash equivalents	23,735		81,356	21,230		183,661
Intercompany	16,957		34,549
Other current assets	19,703		19,033
Total current assets	60,395		134,938
Property, plant and equipment, net	90,823		88,612
Other assets	46,348		61,218
Intercompany loan receivable	2,503,720		2,480,760
Investments in subsidiaries	2,339,036		2,180,814
Total assets	5,040,322		4,946,342
Current liabilities:
Accrued expenses and other current liabilities	21,755		38,407
Total current liabilities	21,755		38,407
Intercompany loan payable	1,130,845		1,091,982
Long-term debt, net of current portion	2,157,500		2,157,500
Deferred income taxes	8,875		14,151
Other liabilities	31,125		19,463
Total liabilities	3,350,100		3,321,503
Stockholder's equity:
Capital in excess of par	1,560,298		1,556,926
Retained earnings	118,422		81,497
Accumulated other comprehensive income (loss)	11,502		(13,584)
Total stockholder's equity	1,690,222		1,624,839
Total liabilities and stockholder's equity	5,040,322		4,946,342
Reportable Legal Entities | Guarantor Subsidiaries
Current assets:
Cash and cash equivalents			35,357	1,631		14,589
Accounts receivable, net	134,636		127,894
Inventories	665,922		561,276
Deferred income taxes	23,705		23,004
Other current assets	23,270		24,104
Total current assets	847,533		771,635
Property, plant and equipment, net	305,318		308,852
Goodwill	813,688		813,688
Other intangible assets, net	1,570,022		1,601,963
Other assets	18,083		6,938
Intercompany loan receivable	1,130,845		1,062,900
Total assets	4,685,489		4,565,976
Current liabilities:
Accounts payable	185,181		195,712
Intercompany	101,106		34,549
Accrued expenses and other current liabilities	136,728		109,865
Total current liabilities	423,015		340,126
Intercompany loan payable	2,157,500		2,157,500
Deferred income taxes	639,285		637,726
Other liabilities	16,140		14,650
Total liabilities	3,235,940		3,150,002
Stockholder's equity:
Capital in excess of par	1,211,581		1,211,581
Retained earnings	239,400		208,295
Accumulated other comprehensive income (loss)	(1,432)		(3,902)
Total stockholder's equity	1,449,549		1,415,974
Total liabilities and stockholder's equity	4,685,489		4,565,976
Reportable Legal Entities | Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	75,338		81,848	104,523		116,886
Accounts receivable, net	49,896		43,776
Intercompany	84,149
Inventories	206,844		178,676
Deferred income taxes	668		633
Other current assets	35,873		35,442
Total current assets	452,768		340,375
Property, plant and equipment, net	194,224		174,065
Goodwill	460,759		447,114
Other intangible assets, net	371,490		358,388
Other assets	90		79
Intercompany loan receivable			29,082
Total assets	1,479,331		1,349,103
Current liabilities:
Current portion long-term debt	295		376
Accounts payable	76,090		63,348
Accrued expenses and other current liabilities	40,414		71,494
Total current liabilities	116,799		135,218
Intercompany loan payable	346,220		323,260
Long-term debt, net of current portion	703		905
Deferred income taxes	99,740		99,542
Other liabilities	26,382		25,338
Total liabilities	589,844		584,263
Stockholder's equity:
Capital in excess of par	739,911		733,411
Retained earnings	126,679		30,198
Accumulated other comprehensive income (loss)	22,897		1,231
Total stockholder's equity	889,487		764,840
Total liabilities and stockholder's equity	1,479,331		1,349,103
Eliminations
Current assets:
Cash and cash equivalents	(4,656)
Intercompany	(101,106)		(34,549)
Total current assets	(105,762)		(34,549)
Intercompany loan receivable	(3,634,565)		(3,572,742)
Investments in subsidiaries	(2,339,036)		(2,180,814)
Total assets	(6,079,363)		(5,788,105)
Current liabilities:
Accounts payable	(4,656)
Intercompany	(101,106)		(34,549)
Total current liabilities	(105,762)		(34,549)
Intercompany loan payable	(3,634,565)		(3,572,742)
Total liabilities	(3,740,327)		(3,607,291)
Stockholder's equity:
Capital in excess of par	(1,951,492)		(1,944,992)
Retained earnings	(366,079)		(238,493)
Accumulated other comprehensive income (loss)	(21,465)		2,671
Total stockholder's equity	(2,339,036)		(2,180,814)
Total liabilities and stockholder's equity	$ (6,079,363)		$ (5,788,105)