Net Income Per Common Share from Continuing Operations (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013	Apr. 01, 2012
Numerator:
Income from continuing operations	$ 2,638	$ 51	$ 14,043	$ 11,494
Denominator:
Weighted average shares outstanding	64,256,000	64,988,000	64,528,000	64,683,000
Effect of dilutive securities:
Employee stock options (in shares)	769,000	65,000	610,000	20,000
Employee restricted stock awards (in shares)	1,086,000	1,246,000	1,509,000	1,554,000
Dilutive securities (in shares)	1,855,000	1,311,000	2,119,000	1,574,000
Adjusted weighted-average shares and assumed conversions	66,111,000	66,299,000	66,647,000	66,257,000
Net income per common share from continuing operations
Basic (in dollars per share)	$ 0.04	$ 0.00	$ 0.22	$ 0.18
Diluted (in dollars per share)	$ 0.04	$ 0.00	$ 0.21	$ 0.17
Anti-dilutive securities excluded from calculation of net income (loss) per share
Employee stock options excluded from calculation of diluted net income per share due to anti-dilutive effect (in shares)	1,800,000	5,500,000	3,200,000	5,600,000