Condensed Consolidating Financial Statements (Condensed Consolidating Statements of Income and Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Revenues
Net sales	$ 256,487	$ 208,770
Other revenues	86	805
Total revenues	256,573	209,575
Cost of Sales
Cost of sales excluding depreciation	111,757	87,984
Cost of sales depreciation	1,340	0
Cost of sales	113,097	87,984
Gross profit	143,476	121,591
Operating Expenses
Advertising and promotion	36,944	27,635
General and administrative	20,336	19,457
Depreciation and amortization	7,167	6,832
Loss on divestitures	0	55,453
Total operating expenses	64,447	109,377
Operating income	79,029	12,214
Other (income) expense
Interest income	(69)	(57)
Interest expense	26,410	21,184
Equity in (income) loss of subsidiaries	0	0
Total other expense	26,341	21,127
Income before income taxes	52,688	(8,913)
(Benefit) provision for income taxes	18,929	(3,382)
Net income (loss)	33,759	(5,531)
Comprehensive income (loss), net of tax:
Currency translation adjustments	1,119	(5,824)
Unrecognized net gain on pension plans	1	0
Total other comprehensive (loss) income	1,120	(5,824)
Comprehensive income (loss)	34,879	(11,355)
Reportable Legal Entities | Prestige Brands Holdings, Inc.
Revenues
Net sales	0	0
Other revenues	0	0
Total revenues	0	0
Cost of Sales
Cost of sales excluding depreciation	0
Cost of sales depreciation	0
Cost of sales	0	0
Gross profit	0	0
Operating Expenses
Advertising and promotion	0	0
General and administrative	1,186	1,937
Depreciation and amortization	813	920
Loss on divestitures		0
Total operating expenses	1,999	2,857
Operating income	(1,999)	(2,857)
Other (income) expense
Interest income	(11,886)	(11,967)
Interest expense	8,374	8,440
Equity in (income) loss of subsidiaries	(33,265)	5,738
Total other expense	(36,777)	2,211
Income before income taxes	34,778	(5,068)
(Benefit) provision for income taxes	1,019	463
Net income (loss)	33,759	(5,531)
Comprehensive income (loss), net of tax:
Currency translation adjustments	1,119	(5,824)
Unrecognized net gain on pension plans	1
Total other comprehensive (loss) income	1,120	(5,824)
Comprehensive income (loss)	34,879	(11,355)
Reportable Legal Entities | Prestige Brands, Inc., the issuer
Revenues
Net sales	26,683	27,959
Other revenues	63	75
Total revenues	26,746	28,034
Cost of Sales
Cost of sales excluding depreciation	11,021
Cost of sales depreciation	0
Cost of sales	11,021	12,086
Gross profit	15,725	15,948
Operating Expenses
Advertising and promotion	4,270	4,745
General and administrative	2,703	2,188
Depreciation and amortization	166	151
Loss on divestitures		0
Total operating expenses	7,139	7,084
Operating income	8,586	8,864
Other (income) expense
Interest income	(21,117)	(21,262)
Interest expense	26,408	21,174
Equity in (income) loss of subsidiaries	(31,754)	13,259
Total other expense	(26,463)	13,171
Income before income taxes	35,049	(4,307)
(Benefit) provision for income taxes	1,203	3,178
Net income (loss)	33,846	(7,485)
Comprehensive income (loss), net of tax:
Currency translation adjustments	1,119	(5,824)
Unrecognized net gain on pension plans	1
Total other comprehensive (loss) income	1,120	(5,824)
Comprehensive income (loss)	34,966	(13,309)
Reportable Legal Entities | Combined Subsidiary Guarantors
Revenues
Net sales	212,912	168,205
Other revenues	248	801
Total revenues	213,160	169,006
Cost of Sales
Cost of sales excluding depreciation	94,783
Cost of sales depreciation	1,340
Cost of sales	96,123	71,462
Gross profit	117,037	97,544
Operating Expenses
Advertising and promotion	29,029	20,804
General and administrative	14,421	14,314
Depreciation and amortization	5,945	5,633
Loss on divestitures		55,453
Total operating expenses	49,395	96,204
Operating income	67,642	1,340
Other (income) expense
Interest income	(1,385)	(1,274)
Interest expense	25,560	24,901
Equity in (income) loss of subsidiaries	(3,136)	(3,076)
Total other expense	21,039	20,551
Income before income taxes	46,603	(19,211)
(Benefit) provision for income taxes	15,865	(7,912)
Net income (loss)	30,738	(11,299)
Comprehensive income (loss), net of tax:
Currency translation adjustments	1,119	(5,824)
Unrecognized net gain on pension plans	1
Total other comprehensive (loss) income	1,120	(5,824)
Comprehensive income (loss)	31,858	(17,123)
Reportable Legal Entities | Combined Non-Guarantor Subsidiaries
Revenues
Net sales	18,321	13,826
Other revenues	517	486
Total revenues	18,838	14,312
Cost of Sales
Cost of sales excluding depreciation	8,559
Cost of sales depreciation	0
Cost of sales	8,559	6,000
Gross profit	10,279	8,312
Operating Expenses
Advertising and promotion	3,645	2,086
General and administrative	2,026	1,018
Depreciation and amortization	243	128
Loss on divestitures		0
Total operating expenses	5,914	3,232
Operating income	4,365	5,080
Other (income) expense
Interest income	(998)	(159)
Interest expense	1,385	1,274
Equity in (income) loss of subsidiaries	0	0
Total other expense	387	1,115
Income before income taxes	3,978	3,965
(Benefit) provision for income taxes	842	889
Net income (loss)	3,136	3,076
Comprehensive income (loss), net of tax:
Currency translation adjustments	1,119	(5,824)
Unrecognized net gain on pension plans	0
Total other comprehensive (loss) income	1,119	(5,824)
Comprehensive income (loss)	4,255	(2,748)
Eliminations
Revenues
Net sales	(1,429)	(1,220)
Other revenues	(742)	(557)
Total revenues	(2,171)	(1,777)
Cost of Sales
Cost of sales excluding depreciation	(2,606)
Cost of sales depreciation	0
Cost of sales	(2,606)	(1,564)
Gross profit	435	(213)
Operating Expenses
Advertising and promotion	0	0
General and administrative	0	0
Depreciation and amortization	0	0
Loss on divestitures		0
Total operating expenses	0	0
Operating income	435	(213)
Other (income) expense
Interest income	35,317	34,605
Interest expense	(35,317)	(34,605)
Equity in (income) loss of subsidiaries	68,155	(15,921)
Total other expense	68,155	(15,921)
Income before income taxes	(67,720)	15,708
(Benefit) provision for income taxes	0	0
Net income (loss)	(67,720)	15,708
Comprehensive income (loss), net of tax:
Currency translation adjustments	(3,357)	17,472
Unrecognized net gain on pension plans	(2)
Total other comprehensive (loss) income	(3,359)	17,472
Comprehensive income (loss)	$ (71,079)	$ 33,180