Reportable Segments (Details) (USD $)	0 Months Ended	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Financial information concerning reportable segments
Revenue		$ 622,179,000	$ 629,502,000	$ 586,285,000	$ 645,848,000	$ 698,376,000	$ 614,835,000	$ 641,999,000	$ 658,545,000	$ 2,483,814,000	$ 2,613,755,000	$ 2,711,075,000
Operating income (loss)		24,763,000	39,167,000	46,186,000	43,718,000	40,626,000	(99,884,000)	37,667,000	41,809,000	153,833,000	20,218,000	166,367,000
Depreciation										26,452,000	29,548,000	26,651,000
Goodwill impairment charge	0						56,600,000				56,600,000	914,000
Amortization expense for intangible assets										27,300,000	32,400,000	29,600,000
Fair value adjustments to contingent consideration liabilities										58,694,000	9,560,000	19,246,000
Total assets		1,776,404,000				1,799,092,000				1,776,404,000	1,799,092,000
ECS
Financial information concerning reportable segments
Revenue										963,024,000	1,035,983,000	1,155,256,000
Operating income (loss)										76,015,000	44,598,000	96,220,000
Depreciation										7,704,000	10,494,000	10,126,000
Goodwill impairment charge											56,600,000
Total assets		920,890,000				912,996,000				920,890,000	912,996,000
TSS
Financial information concerning reportable segments
Revenue										912,749,000	932,375,000	1,020,779,000
Operating income (loss)										91,859,000	71,842,000	71,767,000
Depreciation										2,303,000	2,839,000	3,227,000
Total assets		741,011,000				673,864,000				741,011,000	673,864,000
RCM
Financial information concerning reportable segments
Revenue										703,253,000	725,689,000	621,957,000
Operating income (loss)		(35,100,000)								(34,310,000)	(6,706,000)	22,374,000
Depreciation										13,342,000	13,160,000	10,233,000
Total assets		408,238,000				435,053,000				408,238,000	435,053,000
Inter-segment elimination
Financial information concerning reportable segments
Revenue										(95,212,000)	(80,292,000)	(86,917,000)
Corporate
Financial information concerning reportable segments
Operating income (loss)										20,269,000	(89,516,000)	(23,994,000)
Depreciation										3,103,000	3,055,000	3,065,000
Goodwill impairment charge											56,600,000
Amortization expense for intangible assets										27,300,000	32,400,000	29,600,000
Fair value adjustments to contingent consideration liabilities										58,700,000	9,600,000	19,200,000
Total assets		$ (293,735,000)				$ (222,821,000)				$ (293,735,000)	$ (222,821,000)