Debt (Narratives) (Details)	3 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014	Mar. 31, 2015 USD ($)	Feb. 19, 2015 USD ($)
Line of Credit Facility [Line Items]
Income tax expense as a percentage of income from continuing operations	34.00%	33.00%
Maximum availability under New Revolving Credit Facility	$ 20,000,000
New Revolving Credit Facility initial term expiration date	Oct. 31, 2017
Line of Credit Facility, Maximum Borrowing Capacity	$ 75,000,000
Unused portion of the New Revolving Credit Facility	144,095,000
Outstanding borrowings	0
Outstanding letters of credit	$ 5,905,000
Fixed charge coverage ratio minimum	1.25
Maximum total leverage ratio	3.50
Annual capital expenditures, excluding capital expenditures for a global ERP system	$ 30,000,000
New Senior Subordinated note issued	150,000,000
Debt Instrument, Unamortized Discount	558,000
Debt Instrument, Repurchase Amount	$ 156,630,000
Debt Instrument, Redemption Price, Percentage	3.90%
Stated interest rate percentage	7.875%
Debt instrument issued at Discount rate percent	98.545%
Repurchase of notes at premium, percent	101.00%
Redemption Premium	$ 5,907,000
Accrued Liabilities				$ 723,000
Deferred Costs	1,825,000
Accumulated Amortization, Deferred Finance Costs	152,000		$ 61,000
Unsecured credit lines	4,677,000
Amount drawn on unsecured credit lines	0
Credit line availability	$ 2,165,000		2,270,000
February 1, 2016
Line of Credit Facility [Line Items]
Redemption price of outstanding notes percent	103.938%
February 1, 2017
Line of Credit Facility [Line Items]
Redemption price of outstanding notes percent	101.969%
February 1, 2018
Line of Credit Facility [Line Items]
Redemption price of outstanding notes percent	100.00%
Financial Standby Letter of Credit
Line of Credit Facility [Line Items]
Outstanding letters of credit	$ 1,600,000
Standby Letters of Credit
Line of Credit Facility [Line Items]
Outstanding letters of credit	4,305,000
Minimum [Member]
Line of Credit Facility [Line Items]
Maximum availability under New Revolving Credit Facility	150,000,000
Maximum
Line of Credit Facility [Line Items]
Maximum availability under New Revolving Credit Facility	100,000,000
Bank Loan Obligations [Member]
Line of Credit Facility [Line Items]
Carrying amount of the Company's revolving credit facility	125,000,000
Long-term Debt [Member]
Line of Credit Facility [Line Items]
New Senior Subordinated note issued	121,346,000		$ 124,442,000
Debt Instrument, Annual Principal Payment	$ 3,125,000
New Revolving Credit Facility | Revolver | Eurodollar
Line of Credit Facility [Line Items]
Basis spread	1.00%
New Revolving Credit Facility | Unsecured Lines of Credit
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 9,075,000
Outstanding borrowings	$ 4,664,000
New Revolving Credit Facility | Minimum [Member] | Revolver | Federal Funds Rate
Line of Credit Facility [Line Items]
Basis spread	0.50%