Guarantor Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Jan. 31, 2017
Condensed Financial Statements, Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 23,566	$ 12,254	$ 112,819	$ 23,566
Restricted Cash and Cash Equivalents, Current			160,041	110,698
Accounts Receivable, Net, Current			652,046	702,162
Other Receivables, Net, Current			61,197	69,286
Inventory, Net			170,999	164,856
Other Assets, Current			20,956	17,105
Total current assets			1,178,058	1,087,673
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures			0	0
Accounts Receivable, Net, Noncurrent			593,329	615,904
Property, Plant and Equipment, Net			158,928	159,202
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent			71,328	71,442
Other Assets, Noncurrent			8,963	6,913
Total assets			2,010,606	1,941,134
Long-term Debt, Current Maturities			1,190	849
Accounts Payable, Current			104,915	101,612
Accrued Liabilities and Other Liabilities			47,132	43,099
Other Liabilities, Current			21,390	21,821
Total current liabilities			174,627	167,381
Deferred Rent Credit, Noncurrent			86,727	87,957
Long-term Debt, Excluding Current Maturities			1,206,452	1,144,393
Other Liabilities, Noncurrent			25,752	23,613
Total liabilities			1,493,558	1,423,344
Total stockholders' equity			517,048	517,790
Total liabilities and stockholders' equity			2,010,606	1,941,134
Revenue, Net	279,285	318,542
Financial Services Revenue	76,541	70,571
Contractually Specified Servicing Fees, Amount	0	0
Total revenues	355,826	389,113
Cost of Goods Sold	171,950	204,466
Selling, General and Administrative Expense	106,537	113,247
Provision for bad debts	55,930	58,218
Other Nonrecurring (Income) Expense	1,227	526
Total cost and expenses	335,644	376,457
Operating income	20,182	12,656
Income (Loss) from Subsidiaries, before Tax	0	0
Interest expense	24,008	25,896
Loss from extinguishment of debt	349	0
Income before income taxes	(4,175)	(13,240)
Income Tax Expense (Benefit)	(1,595)	(3,491)
Net income	(2,580)	(9,749)
Net Cash Provided by (Used in) Operating Activities	90,764	108,654
Payments to Acquire Receivables	0	0
Proceeds from Sale and Collection of Receivables	0	0
Payments to Acquire Property, Plant, and Equipment	(4,286)	(16,996)
Proceeds from Sale of Property, Plant, and Equipment	0	696
Net Cash Provided by (Used in) Investing Activities, Intercompany Net Change		0
Net Cash Provided by (Used in) Investing Activities	(4,286)	(16,300)
Proceeds from issuance of asset backed notes, net of original issue discount	469,814	493,540
Payments on asset backed notes	(232,931)	(289,639)
Increase (Decrease) in Restricted Cash	(49,342)	(40,498)
Proceeds from Long-term Lines of Credit	265,935	170,393
Repayments of Long-term Lines of Credit	(443,435)	(421,735)
Payments of Debt Issuance Costs	(7,605)	(5,289)
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	256	385
Net Cash Provided by (Used in) Financing Activities, Intercompany Net Change		0
Proceeds from (Payments for) Other Financing Activities, Including Excess Tax Benefit from Share-based Compensation	83	(223)
Net Cash Provided by (Used in) Financing Activities	2,775	(93,066)
Net change in cash and cash equivalents	89,253	(712)
Beginning of period	23,566	12,254
End of period	112,819	11,542
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	0	0	0	0
Restricted Cash and Cash Equivalents, Current			0	0
Accounts Receivable, Net, Current			0	0
Other Receivables, Net, Current			0	0
Inventory, Net			0	0
Other Assets, Current			(20,245)	(11,768)
Total current assets			(20,245)	(11,768)
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures			(984,728)	(898,256)
Accounts Receivable, Net, Noncurrent			0	0
Property, Plant and Equipment, Net			0	0
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent			0	0
Other Assets, Noncurrent			0	0
Total assets			(1,004,973)	(910,024)
Long-term Debt, Current Maturities			0	0
Accounts Payable, Current			0	0
Accrued Liabilities and Other Liabilities			(7,548)	(4,399)
Other Liabilities, Current			0
Total current liabilities			(7,548)	(11,769)
Deferred Rent Credit, Noncurrent			0	0
Long-term Debt, Excluding Current Maturities			0	0
Other Liabilities, Noncurrent			0	0
Total liabilities			(7,548)	(11,769)
Total stockholders' equity			(997,425)	(898,255)
Total liabilities and stockholders' equity			(1,004,973)	(910,024)
Revenue, Net	0	0
Financial Services Revenue	0	0
Contractually Specified Servicing Fees, Amount	(15,184)	(17,135)
Total revenues	(15,184)	(17,135)
Cost of Goods Sold	0	0
Selling, General and Administrative Expense	(15,184)	(17,135)
Provision for bad debts	0	0
Other Nonrecurring (Income) Expense	0	0
Total cost and expenses	(15,184)	(17,135)
Operating income	0	0
Income (Loss) from Subsidiaries, before Tax	(33,653)	(21,720)
Interest expense	0	0
Loss from extinguishment of debt	0
Income before income taxes	33,653	21,720
Income Tax Expense (Benefit)	12,858	5,727
Net income	20,795	15,993
Net Cash Provided by (Used in) Operating Activities	0	0
Payments to Acquire Receivables	466,056	478,080
Proceeds from Sale and Collection of Receivables	(466,056)	(478,080)
Payments to Acquire Property, Plant, and Equipment	0	0
Proceeds from Sale of Property, Plant, and Equipment	0	0
Net Cash Provided by (Used in) Investing Activities, Intercompany Net Change		(9,169)
Net Cash Provided by (Used in) Investing Activities	0	(9,169)
Proceeds from issuance of asset backed notes, net of original issue discount	0	0
Payments on asset backed notes	0	0
Increase (Decrease) in Restricted Cash	0	0
Proceeds from Long-term Lines of Credit	0	0
Repayments of Long-term Lines of Credit	0	0
Payments of Debt Issuance Costs	0	0
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	0	0
Net Cash Provided by (Used in) Financing Activities, Intercompany Net Change		9,169
Proceeds from (Payments for) Other Financing Activities, Including Excess Tax Benefit from Share-based Compensation	0	0
Net Cash Provided by (Used in) Financing Activities	0	9,169
Net change in cash and cash equivalents	0	0
Beginning of period	0	0
End of period	0	0
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	0	0	0	0
Restricted Cash and Cash Equivalents, Current			0	0
Accounts Receivable, Net, Current			0	0
Other Receivables, Net, Current			0	0
Inventory, Net			0	0
Other Assets, Current			0	0
Total current assets			0	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures			722,171	678,149
Accounts Receivable, Net, Noncurrent			0	0
Property, Plant and Equipment, Net			0	0
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent			71,328	71,442
Other Assets, Noncurrent			0	0
Total assets			793,499	749,591
Long-term Debt, Current Maturities			0	0
Accounts Payable, Current			0	0
Accrued Liabilities and Other Liabilities			4,800	686
Other Liabilities, Current			0	0
Total current liabilities			4,800	686
Deferred Rent Credit, Noncurrent			0	0
Long-term Debt, Excluding Current Maturities			220,097	219,768
Other Liabilities, Noncurrent			0	0
Total liabilities			224,897	220,454
Total stockholders' equity			568,602	529,137
Total liabilities and stockholders' equity			793,499	749,591
Revenue, Net	0	0
Financial Services Revenue	0	0
Contractually Specified Servicing Fees, Amount	0	0
Total revenues	0	0
Cost of Goods Sold	0	0
Selling, General and Administrative Expense	0	0
Provision for bad debts	0	0
Other Nonrecurring (Income) Expense	0	0
Total cost and expenses	0	0
Operating income	0	0
Income (Loss) from Subsidiaries, before Tax	(268)	8,794
Interest expense	4,443	4,446
Loss from extinguishment of debt	0
Income before income taxes	(4,175)	(13,240)
Income Tax Expense (Benefit)	(1,595)	(3,491)
Net income	(2,580)	(9,749)
Net Cash Provided by (Used in) Operating Activities	(256)	(9,554)
Payments to Acquire Receivables	0	0
Proceeds from Sale and Collection of Receivables	0	0
Payments to Acquire Property, Plant, and Equipment	0	0
Proceeds from Sale of Property, Plant, and Equipment	0	0
Net Cash Provided by (Used in) Investing Activities, Intercompany Net Change		9,169
Net Cash Provided by (Used in) Investing Activities	0	9,169
Proceeds from issuance of asset backed notes, net of original issue discount	0	0
Payments on asset backed notes	0	0
Increase (Decrease) in Restricted Cash	0	0
Proceeds from Long-term Lines of Credit	0	0
Repayments of Long-term Lines of Credit	0	0
Payments of Debt Issuance Costs	0	0
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	256	385
Net Cash Provided by (Used in) Financing Activities, Intercompany Net Change		0
Proceeds from (Payments for) Other Financing Activities, Including Excess Tax Benefit from Share-based Compensation	0	0
Net Cash Provided by (Used in) Financing Activities	256	385
Net change in cash and cash equivalents	0	0
Beginning of period	0	0
End of period	0	0
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	23,566	12,254	112,819	23,566
Restricted Cash and Cash Equivalents, Current			0	0
Accounts Receivable, Net, Current			70,367	173,054
Other Receivables, Net, Current			61,197	69,286
Inventory, Net			170,999	164,856
Other Assets, Current			28,504	21,505
Total current assets			443,886	452,267
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures			262,557	220,107
Accounts Receivable, Net, Noncurrent			118,855	295,522
Property, Plant and Equipment, Net			158,928	159,202
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent			0	0
Other Assets, Noncurrent			8,963	6,913
Total assets			993,189	1,134,011
Long-term Debt, Current Maturities			1,190	849
Accounts Payable, Current			104,915	101,612
Accrued Liabilities and Other Liabilities			39,568	40,287
Other Liabilities, Current			15,248
Total current liabilities			160,921	167,978
Deferred Rent Credit, Noncurrent			86,727	87,957
Long-term Debt, Excluding Current Maturities			4,519	179,044
Other Liabilities, Noncurrent			18,852	20,883
Total liabilities			271,019	455,862
Total stockholders' equity			722,170	678,149
Total liabilities and stockholders' equity			993,189	1,134,011
Revenue, Net	279,285	318,542
Financial Services Revenue	36,798	30,172
Contractually Specified Servicing Fees, Amount	15,184	17,135
Total revenues	331,267	365,849
Cost of Goods Sold	171,950	204,466
Selling, General and Administrative Expense	106,233	113,247
Provision for bad debts	(5,433)	35,582
Other Nonrecurring (Income) Expense	1,227	526
Total cost and expenses	273,977	353,821
Operating income	57,290	12,028
Income (Loss) from Subsidiaries, before Tax	33,921	12,926
Interest expense	1,778	3,268
Loss from extinguishment of debt	349
Income before income taxes	21,242	(4,166)
Income Tax Expense (Benefit)	8,116	(1,099)
Net income	13,126	(3,067)
Net Cash Provided by (Used in) Operating Activities	(192,236)	(201,353)
Payments to Acquire Receivables	0	0
Proceeds from Sale and Collection of Receivables	466,056	478,080
Payments to Acquire Property, Plant, and Equipment	(4,286)	(16,996)
Proceeds from Sale of Property, Plant, and Equipment	0	696
Net Cash Provided by (Used in) Investing Activities, Intercompany Net Change		0
Net Cash Provided by (Used in) Investing Activities	461,770	461,780
Proceeds from issuance of asset backed notes, net of original issue discount	0	0
Payments on asset backed notes	0	0
Increase (Decrease) in Restricted Cash	0	0
Proceeds from Long-term Lines of Credit	265,935	170,393
Repayments of Long-term Lines of Credit	(443,435)	(421,735)
Payments of Debt Issuance Costs	(2,864)	(405)
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	0	0
Net Cash Provided by (Used in) Financing Activities, Intercompany Net Change		(9,169)
Proceeds from (Payments for) Other Financing Activities, Including Excess Tax Benefit from Share-based Compensation	83	(223)
Net Cash Provided by (Used in) Financing Activities	(180,281)	(261,139)
Net change in cash and cash equivalents	89,253	(712)
Beginning of period	23,566	12,254
End of period	112,819	11,542
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and Cash Equivalents, at Carrying Value	0	0	0	0
Restricted Cash and Cash Equivalents, Current			160,041	110,698
Accounts Receivable, Net, Current			581,679	529,108
Other Receivables, Net, Current			0	0
Inventory, Net			0	0
Other Assets, Current			12,697	7,368
Total current assets			754,417	647,174
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures			0	0
Accounts Receivable, Net, Noncurrent			474,474	320,382
Property, Plant and Equipment, Net			0	0
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent			0	0
Other Assets, Noncurrent			0	0
Total assets			1,228,891	967,556
Long-term Debt, Current Maturities			0	0
Accounts Payable, Current			0	0
Accrued Liabilities and Other Liabilities			10,312	6,525
Other Liabilities, Current			6,142
Total current liabilities			16,454	10,486
Deferred Rent Credit, Noncurrent			0	0
Long-term Debt, Excluding Current Maturities			981,836	745,581
Other Liabilities, Noncurrent			6,900	2,730
Total liabilities			1,005,190	758,797
Total stockholders' equity			223,701	208,759
Total liabilities and stockholders' equity			$ 1,228,891	$ 967,556
Revenue, Net	0	0
Financial Services Revenue	39,743	40,399
Contractually Specified Servicing Fees, Amount	0	0
Total revenues	39,743	40,399
Cost of Goods Sold	0	0
Selling, General and Administrative Expense	15,488	17,135
Provision for bad debts	61,363	22,636
Other Nonrecurring (Income) Expense	0	0
Total cost and expenses	76,851	39,771
Operating income	(37,108)	628
Income (Loss) from Subsidiaries, before Tax	0	0
Interest expense	17,787	18,182
Loss from extinguishment of debt	0
Income before income taxes	(54,895)	(17,554)
Income Tax Expense (Benefit)	(20,974)	(4,628)
Net income	(33,921)	(12,926)
Net Cash Provided by (Used in) Operating Activities	283,256	319,561
Payments to Acquire Receivables	(466,056)	(478,080)
Proceeds from Sale and Collection of Receivables	0	0
Payments to Acquire Property, Plant, and Equipment	0	0
Proceeds from Sale of Property, Plant, and Equipment	0	0
Net Cash Provided by (Used in) Investing Activities, Intercompany Net Change		0
Net Cash Provided by (Used in) Investing Activities	(466,056)	(478,080)
Proceeds from issuance of asset backed notes, net of original issue discount	469,814	493,540
Payments on asset backed notes	(232,931)	(289,639)
Increase (Decrease) in Restricted Cash	(49,342)	(40,498)
Proceeds from Long-term Lines of Credit	0	0
Repayments of Long-term Lines of Credit	0	0
Payments of Debt Issuance Costs	(4,741)	(4,884)
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	0	0
Net Cash Provided by (Used in) Financing Activities, Intercompany Net Change		0
Proceeds from (Payments for) Other Financing Activities, Including Excess Tax Benefit from Share-based Compensation	0	0
Net Cash Provided by (Used in) Financing Activities	182,800	158,519
Net change in cash and cash equivalents	0	0
Beginning of period	0	0
End of period	$ 0	$ 0