Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Net cash flows from operating activities:
Net income/(loss)	$ 14,625us-gaap_NetIncomeLoss	$ (2,763)us-gaap_NetIncomeLoss
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation	9,114	9,090
Amortization of financing fees	447us-gaap_AmortizationOfFinancingCosts	446us-gaap_AmortizationOfFinancingCosts
Deferred income taxes	0us-gaap_DeferredIncomeTaxExpenseBenefit	3,265us-gaap_DeferredIncomeTaxExpenseBenefit
Loss on disposal of assets	904us-gaap_GainLossOnDispositionOfAssets	361us-gaap_GainLossOnDispositionOfAssets
Share-based compensation	3,906us-gaap_ShareBasedCompensation	1,829us-gaap_ShareBasedCompensation
Change in operating assets and liabilities:
Inventories	(15,469)us-gaap_IncreaseDecreaseInInventories	6,237us-gaap_IncreaseDecreaseInInventories
Prepaid and other current assets	(343)	1,262
Accounts payable	(9,936)	383
Accrued liabilities	(2,856)	4,570
Other payable - non-current	0	(2,289)
Deferred rent	(671)	(174)
Income taxes payable	358	(450)
Net cash provided by operating activities	79	21,767
Net cash flows from investing activities:
Proceeds from sale of assets	47	34
Capital expenditures	(7,789)	(10,713)
Net cash used in investing activities	(7,742)	(10,679)
Net cash flows from financing activities:
Repayments under revolving credit facility	(6,000)	(25,100)
Proceeds under revolving credit facility	6,000	25,100
Payments of debt financing costs	(27)us-gaap_PaymentsOfDebtIssuanceCosts	0us-gaap_PaymentsOfDebtIssuanceCosts
Purchase of treasury stock	(143)	(320)
Proceeds from the exercise of employee stock options	1,033	1,951
Net cash provided by financing activities	863	1,631
Net increase/(decrease) in cash and cash equivalents	(6,800)	12,719
Cash and cash equivalents, beginning of period	49,686	28,896
Cash and cash equivalents, end of period	$ 42,886	$ 41,615

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