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Supplemental Consolidating Financial Statements - Income Statement (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Apr. 26, 2014 | Apr. 27, 2013 | Apr. 26, 2014 | Apr. 27, 2013
Revenues [Abstract] |  |  |  |
Contract revenues | $ 426,284 | $ 437,367 | $ 1,329,522 | $ 1,129,980
EXPENSES: |  |  |  |
Cost of earned revenues, excluding depreciation and amortization | 350,352 | 357,664 | 1,087,824 | 916,247
General and administrative | 39,162 | 38,205 | 120,799 | 105,857
Depreciation and amortization | 22,726 | 24,531 | 69,713 | 60,660
Intercompany charges (income), net | 0 | 0 | 0 | 0
Total | 412,240 | 420,400 | 1,278,336 | 1,082,764
Interest income (expense), net | (6,563) | (6,637) | (20,249) | (16,582)
Other income, net | 5,593 | 1,477 | 8,200 | 3,519
INCOME BEFORE INCOME TAXES | 13,074 | 11,807 | 39,137 | 34,153
PROVISION (BENEFIT) FOR INCOME TAXES | 5,179 | 4,608 | 15,649 | 13,631
NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS OF SUBSIDIARIES | 7,895 | 7,199 | 23,488 | 20,522
EQUITY IN EARNINGS OF SUBSIDIARIES | 0 | 0 | 0 | 0
NET INCOME | 7,895 | 7,199 | 23,488 | 20,522
Foreign currency translation gain | (46) | (21) | (332) | (8)
COMPREHENSIVE INCOME (LOSS) | 7,849 | 7,178 | 23,156 | 20,514
Parent |  |  |  |
Revenues [Abstract] |  |  |  |
Contract revenues | 0 | 0 | 0 | 0
EXPENSES: |  |  |  |
Cost of earned revenues, excluding depreciation and amortization | 0 | 0 | 0 | 0
General and administrative | 9,878 | 10,195 | 31,398 | 33,504
Depreciation and amortization | 1,164 | 754 | 3,058 | 2,134
Intercompany charges (income), net | (12,608) | (12,592) | (39,713) | (39,897)
Interest income (expense), net | (1,566) | (1,643) | (5,260) | (3,941)
Other income, net | 0 | 0 | 3 | (318)
INCOME BEFORE INCOME TAXES | 0 | 0 | 0 | 0
PROVISION (BENEFIT) FOR INCOME TAXES | 0 | 0 | 0 | 0
NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS OF SUBSIDIARIES | 0 | 0 | 0 | 0
EQUITY IN EARNINGS OF SUBSIDIARIES | 7,895 | 7,199 | 23,488 | 20,522
NET INCOME | 7,895 | 7,199 | 23,488 | 20,522
Foreign currency translation gain | (46) | (21) | (332) | (8)
COMPREHENSIVE INCOME (LOSS) | 7,849 | 7,178 | 23,156 | 20,514
Issuer |  |  |  |
Revenues [Abstract] |  |  |  |
Contract revenues | 0 | 0 | 0 | 0
EXPENSES: |  |  |  |
Cost of earned revenues, excluding depreciation and amortization | 0 | 0 | 0 | 0
General and administrative | 211 | 147 | 651 | 442
Depreciation and amortization | 0 | 0 | 0 | 0
Intercompany charges (income), net | 0 | 0 | 0 | 0
Interest income (expense), net | (4,997) | (4,963) | (14,985) | (12,607)
Other income, net | 0 | 0 | 0 | 0
INCOME BEFORE INCOME TAXES | (5,208) | (5,110) | (15,636) | (13,049)
PROVISION (BENEFIT) FOR INCOME TAXES | (2,063) | (2,002) | (6,252) | (5,208)
NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS OF SUBSIDIARIES | (3,145) | (3,108) | (9,384) | (7,841)
EQUITY IN EARNINGS OF SUBSIDIARIES | 11,040 | 10,307 | 32,872 | 28,363
NET INCOME | 7,895 | 7,199 | 23,488 | 20,522
Foreign currency translation gain | (46) | (21) | (332) | (8)
COMPREHENSIVE INCOME (LOSS) | 7,849 | 7,178 | 23,156 | 20,514
Subsidiary Guarantors |  |  |  |
Revenues [Abstract] |  |  |  |
Contract revenues | 423,853 | 434,595 | 1,321,684 | 1,120,417
EXPENSES: |  |  |  |
Cost of earned revenues, excluding depreciation and amortization | 348,602 | 355,231 | 1,081,975 | 907,881
General and administrative | 26,308 | 24,597 | 80,574 | 63,492
Depreciation and amortization | 20,506 | 22,538 | 63,357 | 54,793
Intercompany charges (income), net | 12,669 | 12,981 | 40,049 | 40,971
Interest income (expense), net | 0 | (31) | (4) | (34)
Other income, net | 5,554 | 1,489 | 8,130 | 3,810
INCOME BEFORE INCOME TAXES | 21,322 | 20,706 | 63,855 | 57,056
PROVISION (BENEFIT) FOR INCOME TAXES | 8,447 | 8,095 | 25,533 | 22,772
NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS OF SUBSIDIARIES | 12,875 | 12,611 | 38,322 | 34,284
EQUITY IN EARNINGS OF SUBSIDIARIES | 70 | 0 | 70 | 0
NET INCOME | 12,945 | 12,611 | 38,392 | 34,284
Foreign currency translation gain | 0 | 0 | 0 | 0
COMPREHENSIVE INCOME (LOSS) | 12,945 | 12,611 | 38,392 | 34,284
Non-Guarantor Subsidiaries |  |  |  |
Revenues [Abstract] |  |  |  |
Contract revenues | 2,431 | 2,772 | 7,838 | 9,563
EXPENSES: |  |  |  |
Cost of earned revenues, excluding depreciation and amortization | 1,750 | 2,433 | 5,849 | 8,366
General and administrative | 2,765 | 3,266 | 8,176 | 8,419
Depreciation and amortization | 1,056 | 1,239 | 3,298 | 3,733
Intercompany charges (income), net | (61) | (389) | (336) | (1,074)
Interest income (expense), net | 0 | 0 | 0 | 0
Other income, net | 39 | (12) | 67 | 27
INCOME BEFORE INCOME TAXES | (3,040) | (3,789) | (9,082) | (9,854)
PROVISION (BENEFIT) FOR INCOME TAXES | (1,205) | (1,485) | (3,632) | (3,933)
NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS OF SUBSIDIARIES | (1,835) | (2,304) | (5,450) | (5,921)
EQUITY IN EARNINGS OF SUBSIDIARIES | 0 | 0 | 0 | 0
NET INCOME | (1,835) | (2,304) | (5,450) | (5,921)
Foreign currency translation gain | (46) | (21) | (332) | (8)
COMPREHENSIVE INCOME (LOSS) | (1,881) | (2,325) | (5,782) | (5,929)
Eliminations and Reclassifications |  |  |  |
Revenues [Abstract] |  |  |  |
Contract revenues | 0 | 0 | 0 | 0
EXPENSES: |  |  |  |
Cost of earned revenues, excluding depreciation and amortization | 0 | 0 | 0 | 0
General and administrative | 0 | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0 | 0
Intercompany charges (income), net | 0 | 0 | 0 | 0
Interest income (expense), net | 0 | 0 | 0 | 0
Other income, net | 0 | 0 | 0 | 0
INCOME BEFORE INCOME TAXES | 0 | 0 | 0 | 0
PROVISION (BENEFIT) FOR INCOME TAXES | 0 | 0 | 0 | 0
NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS OF SUBSIDIARIES | 0 | 0 | 0 | 0
EQUITY IN EARNINGS OF SUBSIDIARIES | (19,005) | (17,506) | (56,430) | (48,885)
NET INCOME | (19,005) | (17,506) | (56,430) | (48,885)
Foreign currency translation gain | 92 | 42 | 664 | 16
COMPREHENSIVE INCOME (LOSS) | $ (18,913) | $ (17,464) | $ (55,766) | $ (48,869)

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