CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 26, 2014	Dec. 27, 2013
Current assets:
Cash and cash equivalents	$ 19,666	$ 122,003
Marketable securities	1,500us-gaap_AvailableForSaleSecurities	14,745us-gaap_AvailableForSaleSecurities
Accounts receivable, net of allowance for doubtful accounts of $7,603 and $5,710	359,903us-gaap_AccountsReceivableNetCurrent	199,519us-gaap_AccountsReceivableNetCurrent
Prepaid expenses, deposits and other current assets	18,778	9,491
Income tax receivable	10,516us-gaap_IncomeTaxesReceivable	3,060us-gaap_IncomeTaxesReceivable
Deferred income taxes	5,444us-gaap_DeferredTaxAssetsNetCurrent	7,640us-gaap_DeferredTaxAssetsNetCurrent
Total current assets	415,807us-gaap_AssetsCurrent	356,458us-gaap_AssetsCurrent
Property and equipment, net	61,392us-gaap_PropertyPlantAndEquipmentNet	54,473us-gaap_PropertyPlantAndEquipmentNet
Restricted cash and investments	168,426	154,558
Deferred income taxes	0	4,213
Goodwill	241,855us-gaap_Goodwill	82,239us-gaap_Goodwill
Intangible assets, net	136,560	31,505
Other assets, net	42,631us-gaap_OtherAssetsNoncurrent	36,015us-gaap_OtherAssetsNoncurrent
Total assets	1,066,671us-gaap_Assets	719,461us-gaap_Assets
Current liabilities:
Accounts payable and other accrued expenses	50,256	29,850
Accrued wages and benefits	69,692	39,094
Current portion of workers' compensation claims reserve	64,556	49,942
Other current liabilities	2,726us-gaap_OtherLiabilitiesCurrent	2,523us-gaap_OtherLiabilitiesCurrent
Total current liabilities	187,230us-gaap_LiabilitiesCurrent	121,409us-gaap_LiabilitiesCurrent
Workers’ compensation claims reserve, less current portion	178,283	164,887
Long-term debt, less current portion	199,383us-gaap_LongTermDebtNoncurrent	29,656us-gaap_LongTermDebtNoncurrent
Deferred income taxes	19,768	0
Other long-term liabilities	12,673us-gaap_OtherLiabilitiesNoncurrent	10,149us-gaap_OtherLiabilitiesNoncurrent
Total liabilities	597,337us-gaap_Liabilities	326,101us-gaap_Liabilities
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $0.131 par value, 20,000 shares authorized; No shares issued and outstanding	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue
Common stock, no par value, 100,000 shares authorized; 41,530 and 41,085 shares issued and outstanding	1us-gaap_CommonStockValueOutstanding	1us-gaap_CommonStockValueOutstanding
Accumulated other comprehensive income	871	2,033
Retained earnings	468,462	391,326
Total shareholders’ equity	469,334us-gaap_StockholdersEquity	393,360us-gaap_StockholdersEquity
Total liabilities and shareholders’ equity	$ 1,066,671	$ 719,461

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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