Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended																				9 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012	Dec. 29, 2012	Mar. 30, 2013 Auction Rate Securities [Member]	Mar. 30, 2013 Carrying (Reported) Amount, Fair Value Disclosure [Member] Senior Notes [Member] Note Agreement [Member]	Jun. 30, 2012 Carrying (Reported) Amount, Fair Value Disclosure [Member] Senior Notes [Member] Note Agreement [Member]	Mar. 31, 2012 Carrying (Reported) Amount, Fair Value Disclosure [Member] Senior Notes [Member] Note Agreement [Member]	Mar. 30, 2013 Total [Member] Senior Notes [Member] Note Agreement [Member]	Jun. 30, 2012 Total [Member] Senior Notes [Member] Note Agreement [Member]	Mar. 31, 2012 Total [Member] Senior Notes [Member] Note Agreement [Member]	Mar. 30, 2013 Total [Member]	Jun. 30, 2012 Total [Member]	Mar. 31, 2012 Total [Member]	Mar. 30, 2013 Quoted Prices in Acive Markets (Level 1) [Member]	Jun. 30, 2012 Quoted Prices in Acive Markets (Level 1) [Member]	Mar. 31, 2012 Quoted Prices in Acive Markets (Level 1) [Member]	Mar. 30, 2013 Prices With Other Observable Inputs (Level 2) [Member]	Jun. 30, 2012 Prices With Other Observable Inputs (Level 2) [Member]	Mar. 31, 2012 Prices With Other Observable Inputs (Level 2) [Member]	Mar. 30, 2013 Prices With Unobservable Inputs (Level 3) [Member]	Jun. 30, 2012 Prices With Unobservable Inputs (Level 3) [Member]	Mar. 31, 2012 Prices With Unobservable Inputs (Level 3) [Member]	Jan. 06, 2012 CanAm Care, LLC. [Member]	Mar. 30, 2013 CanAm Care, LLC. [Member] Prices With Unobservable Inputs (Level 3) [Member]	Jan. 06, 2012 Maximum [Member] CanAm Care, LLC. [Member] Prices With Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Losses on sales of investments	$ 1,608	$ 0	$ 4,657	$ 0		$ 1,608
Gain (Loss) on Sale of Securities, Net						828
Foreign Currency Transaction Loss						780
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value																						900	2,900
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements																										(2,000)
Business Acquisition, Contingent Consideration, Additional Consideration																											5,000
Assets:
Cash equivalents													113,312	479,548	451,521	113,312	479,548	451,521	0	0	0	0	0	0
Investment securities														6,470	6,570		0	0		0	0		6,470	6,570
Foreign Currency Contract, Asset, Fair Value Disclosure													8,307			0			8,307			0
Funds associated with Israeli post employment benefits													16,451	14,973	15,264	0	0	0	16,451	14,973	15,264	0	0	0
Total													138,070	500,991	473,355	113,312	479,548	451,521	24,758	14,973	15,264	0	6,470	6,570
Liabilities:
Fair value of contingent consideration													900	2,900	2,900	0	0	0	0	0	0	900	2,900	2,900	2,900
Interest rate swap agreements													13,306	14,706	13,248	0	0	0	13,306	14,706	13,248	0	0	0
Foreign Currency Contracts, Liability, Fair Value Disclosure														5,567	698		0	0		5,567	698		0	0
Total													14,206	23,173	16,846	0	0	0	13,306	20,273	13,946	900	2,900	2,900
Fixed rate long-term debt							965,000	965,000	965,000	1,028,841	1,050,343	1,012,670
Auction Rate Securities, Par Value, Total					$ 18,000