Change in Estimate (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended
Mar. 28, 2014	Mar. 29, 2013	Mar. 28, 2014	Mar. 29, 2013	Oct. 31, 2013 Current Site Remedy [Member]	Mar. 28, 2014 Current Site Remedy [Member] Scenario, Adjustment [Member]	Feb. 28, 2014 Supplemental Feasibility Study [Member]	Mar. 28, 2014 Supplemental Feasibility Study [Member] Scenario, Adjustment [Member]	Mar. 28, 2014 Supplemental Feasibility Study [Member] Scenario, Adjustment [Member]
Change in Accounting Estimate [Line Items]
Modification of estimate					$ 12,439		$ 4,877
Gross revenue	120,836	109,806	350,002	322,562		5,093		1,855
Net service revenue	88,081	83,044	260,464	233,514		7,346		3,022
Insurance recoveries	$ 5,008	$ 1,068	$ 17,613	$ 3,725		$ 12,439		$ 4,877	$ 4,877

Modification of Estimate

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- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

+ Details

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- Definition

Aggregate revenue during the period for services rendered in the normal course of business (before deducting allowances and discounts) which are not otherwise defined in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

+ References

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